EP4362677A1 - Paraffinic phytosanitary oil composition - Google Patents
Paraffinic phytosanitary oil compositionInfo
- Publication number
- EP4362677A1 EP4362677A1 EP22738630.7A EP22738630A EP4362677A1 EP 4362677 A1 EP4362677 A1 EP 4362677A1 EP 22738630 A EP22738630 A EP 22738630A EP 4362677 A1 EP4362677 A1 EP 4362677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phytosanitary
- hydrocarbon
- equal
- hydrocarbon cut
- phytosanitary composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 136
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 85
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 84
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- 238000000034 method Methods 0.000 claims abstract description 23
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- 238000005507 spraying Methods 0.000 claims abstract description 17
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 16
- -1 sorbitan ester Chemical class 0.000 claims abstract description 16
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 15
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 15
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000005642 Oleic acid Substances 0.000 claims abstract description 15
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
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- 239000005660 Abamectin Substances 0.000 description 2
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- 238000004523 catalytic cracking Methods 0.000 description 2
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- PSOVNZZNOMJUBI-UHFFFAOYSA-N chlorantraniliprole Chemical compound CNC(=O)C1=CC(Cl)=CC(C)=C1NC(=O)C1=CC(Br)=NN1C1=NC=CC=C1Cl PSOVNZZNOMJUBI-UHFFFAOYSA-N 0.000 description 2
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- 230000002588 toxic effect Effects 0.000 description 1
- ONCZDRURRATYFI-TVJDWZFNSA-N trifloxystrobin Chemical compound CO\N=C(\C(=O)OC)C1=CC=CC=C1CO\N=C(/C)C1=CC=CC(C(F)(F)F)=C1 ONCZDRURRATYFI-TVJDWZFNSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P21/00—Plant growth regulators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
Definitions
- the invention relates to a composition based on phytosanitary oil of the paraffinic hydrocarbon cut type for phytosanitary treatment of plants by aerial spraying using drones, as well as the treatment methods.
- the invention also relates to the uses of this composition for the treatment of diseases, in particular those caused by fungi or insects, or for the fertilization of plants.
- phytosanitary compositions to ensure the protection of crops, these compositions being able to fulfill the role of fungicide or even of insecticide but also of fertilizer. They are generally sprayed on crops in the form of solutions in water or water/oil or oil/water emulsions, in the presence of surfactant additives.
- the oil itself has a well-known fungistatic effect, helping to slow down the development of the disease.
- oils of petroleum origin emulsified in water have been sprayed on crops for insecticidal purposes.
- such oils make it possible to affect fungi and parasites while having no negative effect on plant development.
- the conventional refined oils obtained from crude oil and/or distillates resulting from refining, by solvent extraction or by hydrotreatment of base oils, the industrialist will choose those which will be the least toxic but the most effective, for example against insects and/or fungal attacks. It has thus been found that the more the oil produced is paraffinic, that is to say comprises compounds of saturated, linear or branched carbon chain, the more it is effective against insects and the less it is phytotoxic. for plants.
- Document WO 2011/070503 describes an emulsifiable concentrate for a phytosanitary composition, comprising more than 90% by weight of at least one mixture of hydrocarbons with a distillation cut greater than 250° C., comprising less than 20% by weight of n- paraffins and less than 1% by weight of aromatics, and from 1 to 4% by weight of a mixture of at least two surfactants TA1 and TA2, such that TA2 is more hydrophobic than TA1 and whose HLB of the mixture varies from 6 to 10.
- the content by weight of the n-paraffin concentrate relative to the total amount of hydrocarbon cut is therefore strictly less than 20%.
- the isoparaffins represent therein more than 90% by weight of the total paraffins.
- the phytosanitary activity illustrated is an insecticidal activity on citrus crops.
- Document WO 2013/092977 relates to the use of an oil emulsion as an acaricide, insecticide and for the antifungal treatment of the stems and leaves of a plant during its growth in confined growing spaces, with high cultivation intensity.
- the emulsion comprises water and a paraffin oil derived from petroleum and having a boiling point of 200°C to 450°C, a viscosity less than or equal to 20 mm 2 /s at 40°C, and a content of insulphonable residues of at least 95% according to standard ASTM D483.
- the compositions are tested for their acaricidal activity and against powdery mildew on rose crops.
- compositions described in this document comprise a very low level of n-paraffins compared to the level of iso-paraffins.
- unmanned aerial vehicles better known as drones
- drones for agricultural purposes has grown in recent years. Allowing to reach steep plots, or to spray phytosanitary treatments as closely as possible, drones are promising tools in agriculture. If spraying drones can be part of the panoply of new technologies to improve phytosanitary treatments, their development in this area is still in its infancy.
- the formulations of phytosanitary compositions traditionally used in agriculture are not suitable.
- the use of phytosanitary compositions in the context of aerial spraying treatment using a drone requires stability of the spreading mixture over a longer period of time, greater than ten hours, instead of one hour for conventional adjuvants, to allow treatments to be carried out throughout the day.
- compositions for treating cryptogamic diseases of plants which is effective and non-toxic for the user, the plant or the environment but above all which can be used in the context of a treatment by aerial spraying using a drone.
- the present invention aims to provide a composition whose spreading mixture is stable over a longer period of time, greater than 1 Oh or even 24 hours.
- the present invention aims to provide a composition which makes it possible to reduce drift, improve the quality of the mixture, increase the resistance to washing, improve the penetration into the fabrics, improve the anti-evaporation effect among others and which makes it possible to integrate an economic and environmental component by reducing the consumption of pesticides.
- the present invention also aims to provide a composition for treating plant diseases having a suitable viscosity, that is to say without risk of altering the metabolism of the plant.
- the invention relates firstly to a phytosanitary composition
- a paraffinic hydrocarbon cut which includes isoparaffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester, and an alkoxylated isotridecanol.
- the invention also relates to the use for the phytosanitary treatment of plants of a composition
- a paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester, and an isotridecanol alkoxylated.
- the invention also relates to a process for the phytosanitary treatment of crops comprising at least one step of application, preferably by sprinkling, spraying or spreading using a drone, of the phytosanitary composition according to the invention.
- the hydrocarbon cut comprises an isoparaffin content by weight of less than 75%, preferably less than or equal to 65% and preferably less than or equal to 50% relative to the total weight of the hydrocarbon cut.
- the hydrocarbon cut comprises a content by weight of normal paraffins less than or equal to 5% and preferably less than or equal to 2% relative to the total weight of the hydrocarbon cut.
- the hydrocarbon cut comprises a content by weight of naphthenic compounds ranging from 15 to 45%, even more preferably from 35 to 40% relative to the total weight of the hydrocarbon cut.
- the hydrocarbon fraction comprises 15 to 30 carbon atoms, preferentially from 16 to 27 carbon atoms, more preferentially from 17 to 25 carbon atoms, even more preferentially from 18 to 22 carbon atoms.
- the hydrocarbon fraction has a carbon distribution of between C15 and C25 according to the ASTM D2887 standard, more preferably between C18 and C22 according to the ASTM D2887 standard.
- the hydrocarbon cut comprises a content by weight of unsulfonable residues greater than or equal to 95%, preferably greater than or equal to 97%, preferably greater than or equal to 98% relative to the total weight of the hydrocarbon cut.
- the hydrocarbon fraction has an initial boiling point and a final boiling point in the range ranging from 250 to 400° C., preferably from 260 to 390° C. and preferentially from 305 to 350° C. C according to ASTM D86.
- the hydrocarbon cut has a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferentially from 6 to 12 mm 2 /s and more preferentially from 6 to 8 mm 2 /s according to the ASTM D445 standard.
- the hydrocarbon cut has a pour point greater than or equal to -63°C, preferably greater than or equal to -50°C and preferably greater than or equal to -43°C according to standard ASTM D97 .
- the hydrocarbon fraction represents an amount ranging from 50 to 99% by weight relative to the total weight of the phytosanitary composition.
- the phytosanitary composition is in the form of an oil-in-water emulsion or a water-in-oil emulsion.
- the use of the phytosanitary composition is for application by sprinkling on the crops, in particular by spraying or spreading using a drone.
- the use of the phytosanitary composition is intended for the fertilization of plants.
- the use of the phytosanitary composition is intended for the preventive and/or curative treatment of cryptogamic diseases of plants, also called fungal disease of plants.
- the use of the phytosanitary composition is intended for the preventive and/or curative treatment of diseases caused by plant insects.
- the use is intended for the preventive and/or curative treatment of cryptogamic diseases of plants in tropical and equatorial regions.
- the use is intended for the preventive and/or curative treatment of diseases of a plant chosen from among mango trees, vines, eggplants, mandarin trees, rice and shiny privet.
- the method of the invention further comprises the joint application of at least one fertilizing active ingredient.
- the method of the invention further comprises the joint application of at least one fungicidal active principle.
- the method of the invention further comprises the joint application of at least one insecticidal active principle.
- the invention relates to the use by sprinkling of the plant to be treated, preferably by spreading or by spraying using a drone, of a phytosanitary composition comprising at least one hydrocarbon cut obtained from crude oil or a hydrocarbon cut obtained the conversion of biomass, intended for the fertilization of plants or for the preventive and/or curative treatment of plant diseases.
- It relates to a phytosanitary composition
- a phytosanitary composition comprising this oily composition in a carrier acceptable for a phytosanitary application.
- paraffins includes isoparaffins and n-paraffins.
- isoparaffins denotes non-cyclic branched alkanes.
- n-paraffins or “normal paraffins” denotes non-cyclic linear alkanes.
- naphthenes denotes cyclic (non-aromatic) alkanes.
- the phytosanitary composition according to the invention comprises at least one hydrocarbon fraction of petroleum origin.
- the phytosanitary composition according to the invention preferably comprises a hydrocarbon cut content ranging from 50 to 100%, preferably from 70 to 100%, more preferably from 80 to 100% and ideally from 90 to 100% by weight relative to the weight total phytosanitary composition.
- the other components of the phytosanitary protection composition can be: oil-soluble phytosanitary active principles, oils of plant or animal origin, surfactants.
- the phytosanitary composition may be in the form of an emulsifiable concentrate: the surfactants are introduced into the oily composition so as to allow the production of an emulsion by simple mixing of this oily composition with an aqueous phase.
- the emulsifiable concentrate may comprise small amounts of water, oil-soluble phytosanitary active principles, oils of vegetable or animal origin. Hydrocarbon cut
- the phytosanitary oil of hydrocarbon cut type used in the composition according to the invention can also be called hydrocarbon solvent.
- hydrocarbon solvent essentially consists of paraffinic components and naphthenes.
- the hydrocarbon fraction used in the composition according to the invention advantageously has a very low aromatics content.
- very low aromatics content is meant, preferably, a hydrocarbon cut comprising a content of aromatic compounds less than or equal to 1000 ppm, preferably less than or equal to 500 ppm, even more preferably less than or equal to 300 ppm, measured by UV spectrometry .
- the hydrocarbon cut also preferably has a sulfur content of less than or equal to 10 ppm, preferably less than or equal to 5 ppm and more preferably less than or equal to 2 ppm.
- the hydrocarbon cut comprises a sulfur content according to the ASTM D5453 standard of between 0.05 and 1 mg/kg, preferentially between 0.05 and 0.5 mg/kg and more between 0.05 and 0.1 mg /kg.
- the hydrocarbon fraction according to the invention also comprises a content by weight of insulphonable residues according to the ASTM D483 standard greater than or equal to 92%, preferably greater than or equal to 95% and more preferably greater than or equal to 99%.
- the hydrocarbon cut according to the invention is a hydrocarbon cut which can come from crude oil in known manner.
- hydrocarbon cut is meant within the meaning of the invention, a cut resulting from the distillation of crude oil, preferably resulting from the atmospheric distillation and/or from the vacuum distillation of crude oil, preferably resulting from the distillation atmosphere followed by vacuum distillation.
- the hydrocarbon cut used in the composition of the invention is advantageously obtained by a process comprising hydrotreating, hydrocracking or catalytic cracking stages.
- the hydrocarbon fraction used in the composition of the invention is preferably obtained by a process comprising dearomatization and optionally desulphurization steps.
- the hydrocarbon cut according to the invention is typically not subjected to a dewaxing step.
- Dewaxing is a known process for treating hydrocarbon cuts without conversion consisting of removing the paraffins and microcrystalline waxes from a feed or converting them into compounds of lower molecular weight and/or of different molecular structure.
- the Conventionally known dewaxing methods are solvent extraction or hydrodewaxing methods. During these processes the normal paraffins are extracted or transformed into iso-paraffins in order generally to obtain a lower pour point.
- dewaxing is meant a treatment process making it possible to obtain a hydrocarbon fraction comprising a content by weight of normal paraffins of less than 10%. Processes leading to partial dewaxing of the hydrocarbon cut are not excluded from the invention.
- the hydrocarbon cut obtained after the distillation step(s) is chosen from gas oil cuts.
- the gas oil cut is preferably obtained by a process comprising hydrotreating, hydrocracking or catalytic cracking stages, optionally followed by dearomatization and optionally desulphurization stages.
- the hydrocarbon cut can be a mixture of hydrocarbon cuts which have undergone the steps described above.
- the hydrocarbon cut can be a mixture of hydrocarbon cut resulting from the distillation of crude oil.
- the hydrocarbon cut is a hydrocarbon cut resulting from the distillation of crude oil.
- the hydrocarbon cut is a hydrogenated hydrocarbon cut.
- the hydrocarbon cut used in the composition of the invention is advantageously a hydrocarbon cut having a distillation range ID (in °C) of 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350°C. C measured according to ASTM D86. Preferably, the difference between the initial boiling point and the final boiling point is less than or equal to 100°C.
- the hydrocarbon cut can comprise one or more fractions of distillation intervals included in the intervals described above.
- the hydrocarbon cut used in the phytosanitary composition according to the invention is totally saturated.
- the components of the hydrocarbon cut are chosen from hydrocarbon chains comprising from 15 to 30 carbon atoms, preferentially from 16 to 27 carbon atoms, more preferentially from 17 to 25 carbon atoms, even more preferentially from 18 to 22 carbon atoms.
- the carbon distribution of the hydrocarbon cut is determined according to the ASTM D2887 standard, and is between C15 and C25, more preferably between C18 and C22 according to the ASTM D2887 standard.
- the hydrocarbon cut preferably has: an initial boiling point and a final boiling point in the range from 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350°C according to the ASTM D86 standard, and a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferably from 6 to 12 mm 2 /s and more preferably from 6 to 8 mm 2 /s according to standard ASTM D445.
- the hydrocarbon fraction preferably has: a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferentially from 6 to 12 mm 2 /s and more preferentially from 6 to 8 mm 2 / s according to the ASTM D445 standard, and a pour point greater than or equal to -63° C., preferably greater than or equal to -50° C. and preferably greater than or equal to -43° C. according to the ASTM D97 standard.
- the hydrocarbon fraction has: an initial boiling point and a final boiling point in the range from 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350 °C according to the ASTM D86 standard, a kinematic viscosity at 40°C ranging from 6 to 13 mm 2 /s, preferably from 6 to 12 mm 2 /s and more preferably from 6 to 8 mm 2 /s according to the ASTM D445 standard , and a pour point greater than or equal to -63° C., preferably greater than or equal to -50° C. and preferably greater than or equal to -43° C. according to standard ASTM D97.
- the invention relates to a phytosanitary composition
- a phytosanitary composition comprising the oily composition in a support suitable for the phytosanitary treatment or the fertilization of plants.
- support suitable for the phytosanitary treatment or the fertilization of plants is meant a support which serves as a vehicle for the treatment or the fertilization of plants, in particular by sprinkling, spreading or any other means making it possible to treat the plants using 'a drone.
- This support must be non-toxic for the plant and for its environment, in particular for humans.
- the support suitable for a phytosanitary application can consist of an oil-in-water emulsion, a water-in-oil emulsion, a dispersion or a suspension of oily particles in an aqueous phase.
- the phytosanitary composition will typically be in a form chosen from an oil-in-water emulsion, a water-in-oil emulsion, a dispersion or a suspension of oily particles in an aqueous phase.
- the phytosanitary composition comprises a phytosanitary oil content according to the invention ranging from 1 to 99% by mass relative to the total mass of the composition, advantageously from 10 to 80%, and more preferentially from 15 to 70%.
- the rest of the composition consists, in a non-limiting manner, of the aqueous phase, of possible additives, of surfactants, of polymers, of phytosanitary active principles, in particular fungicides.
- the latter when they are used in the compositions of the invention, are used at the doses usually recommended depending on the type of plant and the severity of the disease.
- the phytosanitary composition comprises the following additives: an alkoxylated oleic acid, a sorbitan ester and an alkoxylated isotridecanol. It may also comprise polymers allowing the stabilization of the emulsion or the dispersion or of the suspension.
- Isotridecanol or 11-methyldodecan-l-ol is a long-chain fatty alcohol with 13 carbon atoms, with the chemical formula C 13 H 28 O. It is dodecan-l-ol methylated in position 11.
- oleic acid and isotridecanol are alkoxylated.
- the oleic acid and the isotridecanol are ethoxylated.
- ethoxylation is the chemical reaction in which ethylene oxide is added to a labile hydrogen compound to produce surfactants.
- the labile hydrogen compound is generally an alcohol, a phenol or even a carboxylic acid.
- the number of alkoxylations, or ethoxylations is in one embodiment of the invention between 1 and 10, preferably between 1 and 5, and preferentially between 1 and 3.
- sorbitan ester is meant a derivative of sorbitan by esterification of one or more of its alcohol or phenol functions.
- sorbitan monostearate By way of example and without this being limiting, mention may be made of sorbitan monostearate, sorbitan tristearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan trioleate and sorbitan monooleate.
- the sorbitan ester is chosen from sorbitan trioleate and sorbitan monooleate.
- the composition comprises from 80 to 95% by weight of hydrocarbon cut and from 5 to 20% by weight of additives relative to the total weight of the phytosanitary composition, said additives being chosen from an alkoxylated oleic acid , a sorbitan ester and an alkoxylated isotridecanol.
- the composition comprises from 88 to 90% by weight of hydrocarbon fraction relative to the total weight of the phytosanitary composition.
- the composition comprises from 2 to 5% by weight of alkoxylated oleic acid, from 2 to 5% by weight of sorbitan ester and from 3 to 8% by weight of isotridecanol alkoxylated, preferably from 2.5 to 5% by weight of alkoxylated oleic acid, from 2.5 to 5% by weight of sorbitan ester and from 5 to 8% by weight of alkoxylated isotridecanol and preferentially from 3 to 4% by weight of alkoxylated oleic acid, from 3 to 4% by weight of sorbitan ester and from 6 to 7% by weight of alkoxylated isotridecanol, relative to the total weight of the phytosanitary composition.
- the phytosanitary composition according to the invention comprises, relative to the total weight of the phytosanitary composition: from 80 to 90% by weight of paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, from 2 to 5% by weight of alkoxylated oleic acid, from 2 to 5% by weight of sorbitan ester, and from 3 to 8% by weight of alkoxylated isotridecanol.
- additives Depending on the hydrophilic or lipophilic nature of these additives, they will be introduced into the aqueous phase or into the oily phase.
- the aqueous phase may comprise salts, water-soluble phytosanitary active principles.
- the phytosanitary composition according to the invention can also be mixed with any other phytosanitary products (insecticides and/or fungicides and/or fertiliser).
- any other phytosanitary products insecticides and/or fungicides and/or fertiliser.
- those skilled in the art will take care to choose the possible other adjuvant(s) or additive(s) of the composition according to the invention in such a way that the advantageous properties intrinsically attached to the phytosanitary composition in accordance with the invention are not or substantially not , altered by the proposed addition.
- fungicides which can be used with the phytosanitary composition according to the invention, of contact products belonging to the family of dithiocarbamates such as Mancozeb, systemic products of the family of strobilurins (Azoxystrobin, Pyraclostrobin, Trifloxystrobin), those of the carboximide family (fluoryram, izopyrazam), amines (Fenpropimorph, Tridemorph, Spiroxamine), Anilino-Pyrimidines (Pyrimethanil), succinate dehydrogenase inhibitors (Boscalid) and inhibitors demethylation of sterols (Difenoconazole, Epoxyconazole, Fenbuconazole, Propiconazole, Tebuconazole).
- dithiocarbamates such as Mancozeb, systemic products of the family of strobilurins (Azoxystrobin, Pyraclostrobin, Trifloxystrobin), those of the carboximide family (fluoryram
- insecticides which can be used with the phytosanitary composition according to the invention, of the systemic products of the family of anthranilic diamides (eg Chlorantraniliprole), those of the family of avermectins (eg Abamectin), those of the neonicotinoid family (eg Nitenpyram).
- fertilizers which can be used with the phytosanitary composition according to the invention, of hydroponic fertilizers (eg humic or fulvic acids), magnesium fertilizers (Magnéisim), calcium .
- the emulsifiable concentrate comprises a content of phytosanitary composition according to the invention ranging from 50 to 99% by mass, advantageously from 70 to 95% by mass, relative to the total mass of the concentrate.
- emulsifying surfactants emulsifying surfactants
- stabilizing agents emulsifying agents
- salts emulsifying agents
- phytosanitary active principles emulsifying agents
- the emulsifying surfactants are chosen to allow the formation of a water-in-oil emulsion or an oil-in-water emulsion, a dispersion or a suspension of oily particles in an aqueous phase.
- stabilizing agents mention may be made of polymers allowing the stabilization of the emulsion or of the dispersion or of the suspension.
- the aqueous phase of the concentrate can comprise salts, water-soluble phytosanitary active principles as they have been described above.
- a further subject of the invention is the use of the phytosanitary composition as defined above for fertilization or for the curative and/or preventive treatment of cryptogamic diseases or diseases caused by plant insects.
- phytosanitary composition preferably a water-in-oil or oil-in-water emulsion, for fertilization or for the curative and/or preventive treatment of cryptogamic diseases or diseases caused by plant insects.
- the invention relates more particularly to the preventive and/or curative treatment of cryptogamic diseases or diseases caused by insects of plants in tropical and equatorial regions.
- the invention relates more particularly to the preventive and/or curative treatment of cryptogamic diseases of banana.
- the phytosanitary composition is used together with a fertilizer using at least one fertilizing active principle.
- the phytosanitary composition has the function of serving as an adjuvant to the fertilizing active principle and of reinforcing its fertilizing action.
- the phytosanitary composition is used together with an insecticide treatment using at least one insecticidal active ingredient.
- the phytosanitary composition has the function of serving as an adjuvant to the insecticidal active ingredient and of reinforcing its action against diseases caused by insects.
- the phytosanitary composition is used together with a fungicidal treatment using at least one fungicidal active ingredient.
- the phytosanitary composition has the function of serving as an adjuvant to the fungicidal active ingredient and of reinforcing its action against cryptogamic diseases.
- composition of the invention in particular jointly with, or in the absence of a fertilizer or of a joint treatment with an insecticidal or fungicidal active principle, the quantities and the frequencies of administration are adapted by those skilled in the art.
- the invention also covers a phytosanitary treatment method comprising at least one step of spraying the plant to be treated, preferably by spreading or by spraying using a drone of the phytosanitary composition according to the invention on the plants to be treated.
- the treatment is advantageously applied to the aerial parts of the plants.
- Phytosanitary treatment means any type of treatment applicable to plants with the aim of promoting plant development and/or reducing the development of diseases and parasites.
- the phytosanitary treatment means fertilization, the curative and/or preventive treatment of cryptogamic diseases or the curative and/or preventive treatment of diseases caused by plant insects.
- the treatment rate is advantageously from 0.5 to 20 liters of phytosanitary oil per hectare, preferably from 1 to 15 liters of phytosanitary oil per hectare.
- the quantity of phytosanitary composition sprayed, sprinkled or spread is adapted.
- the stability of the phytosanitary composition according to the invention is advantageously more than 1 Oh, preferably more than 24 hours.
- the treatment is advantageously repeated at intervals of 6 to 9 days, throughout the vegetative cycle.
- the phytosanitary composition is administered alone in the context of this treatment.
- the phytosanitary composition is administered together with a fertilizing treatment using at least one fertilizing active ingredient.
- the phytosanitary composition is administered together with a fungicidal treatment using at least one fungicidal active ingredient.
- the phytosanitary composition is administered together with an insecticide treatment using at least one insecticidal active ingredient.
- the active principle can be diluted in the composition of the invention, but also that it can be administered in another composition, which is applied simultaneously or alternately with the composition of the invention.
- the emulsifiable concentrates A and B are hydrocarbon oils to which additives as described in the present invention have been added.
- the emulsifiable concentrate C is a comparative mineral oil with additives used for the formulation of phytosanitary products marketed by the Applicant under the trade name BANOLE EC.
- BANOLE EC a comparative mineral oil with additives used for the formulation of phytosanitary products marketed by the Applicant under the trade name BANOLE EC.
- This composition comprising a recognized fungicidal adjuvant and additives, has been used against banana Sigatoka for many years. It is used by the main producers in Latin America, the Caribbean, Africa and Asia.
- Emulsifiable concentrate D is a comparative mineral oil with additives used for the formulation of phytosanitary products commonly found on the market under the trade name EnSpray 99 ® .
- This composition is a narrow range emulsifiable spray oil for the control of mites, aphids, thrips, scale and powdery mildew.
- Table 1 gives the physico-chemical properties of the hydrocarbon oil used in emulsifiable concentrates A and B. [Table 1]
- % are given by mass relative to the total mass of the components of the emulsion.
- Concentrate A includes:
- Concentrate B includes:
- Concentrate C includes:
- Concentrate D includes: 93.5% of a hydrocarbon oil
- NPEO nonylphenol polyoxyethylene ether
- Table 2 shows the results of this compatibility analysis for these two concentrates according to the invention.
- Table 3 shows the results of the evaluation of the four emulsifiable concentrates described above. [Table 3]
- concentrates A and B according to the invention exhibit excellent emulsion stability, without any cream or oil being observed.
- 2.5 ml of cream are observed for concentrate C (BANOLE EC) and 1.5 ml of cream and 1.0 ml of oil for concentrate D (EnSpray 99 ® ).
- concentrates A and B according to the invention exhibit very good performance in terms of emulsion stability with only 0.5 ml of cream observed.
- the concentrates according to the invention demonstrate a stability of up to 24 hours.
- the concentrates C and D used in the formulation of phytosanitary compositions conventionally used on the market show signs of instability from the first four hours.
- the emulsified concentrate exemplified comprises:
- the agrochemicals used for the evaluation of the phytosanitary composition according to the invention are a fertilizer (foliage fertilizer), a fungicide and an insecticide, listed below: o Fertilizer: Calcium and Magnesium o Fungicide: Difenoconazole, 5.0 % ULV o Insecticide: Chlorantraniliprole, 5.0% ULV
- the fungicide and insecticide used for the test were manufactured and supplied by Tianyuan Biochemical Co., Ltd.
- the fertilizer was purchased from the market.
- mango tree Manglifera indica L
- vine vine
- mandarin tree Crodarin tree
- rice Oryza sativa L. .
- shiny privet Ligustrum lucidum
- the plants were grown in greenhouses in a nearby Nanning suburb of Guangxi's capital.
- emulsified concentrate 50 ml were diluted in 950 ml of water to obtain an aqueous emulsion containing 5.0% of the adjuvant. Then, the agrochemical was added to the emulsion and mixed thoroughly to obtain a phytosanitary composition according to the invention before the spray treatment using a drone. 1 liter of agrochemical product was added for 15 hectares of plot treated.
- Spray treatments were carried out in a laboratory using a drone aerial spray simulation system.
- the system which was specially designed to simulating drone spray behavior under field conditions, has been used by the manufacturer in bioassays of ULV (Ultra Low Volume) formulations.
- Potted plants were treated with a set amount of crop protection compound to achieve a similar spray deposit under field conditions. After the sprays, the plants and crops were taken back to the greenhouse for phytotoxicity evaluations.
- Table 4 shows the results of the phytotoxicity analysis at 3 days and 7 days after treatment for the fertilizer, the fungicide and the insecticide.
- compositions according to the invention have excellent stability properties without presenting any phytotoxic risk or impact on growth for the plants treated as part of a phytosanitary treatment by spraying with water. using a drone.
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Abstract
The invention relates to a phytosanitary composition comprising at least: - a paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, - an alkoxylated oleic acid, - a sorbitan ester, and - an alkoxylated isotridecanol. The invention also relates to the uses of this composition for treating diseases, in particular those caused by fungi or insects, or for fertilising plants, and the methods for phytosanitary treatments of crops, comprising at least one step of applying the phytosanitary composition according to the invention, preferably by sprinkling, spraying or spreading by means of a drone.
Description
DESCRIPTION DESCRIPTION
TITRE : COMPOSITION D'HUILE PHYTOSANITAIRE PARAFFINIQUE TITLE: PARAFFINIC PHYTOSANITARY OIL COMPOSITION
DOMAINE DE L'INVENTION FIELD OF THE INVENTION
L'invention concerne une composition à base d'huile phytosanitaire de type coupe hydrocarbonée paraffinique pour traitement phytosanitaire des plantes par pulvérisation aérienne à l'aide de drones ainsi que les procédés de traitement. L'invention concerne également les utilisations de cette composition pour le traitement de maladies, notamment celles causées par les champignons ou les insectes, ou pour la fertilisation des plantes. The invention relates to a composition based on phytosanitary oil of the paraffinic hydrocarbon cut type for phytosanitary treatment of plants by aerial spraying using drones, as well as the treatment methods. The invention also relates to the uses of this composition for the treatment of diseases, in particular those caused by fungi or insects, or for the fertilization of plants.
CONTEXTE TECHNIQUE DE L'INVENTION TECHNICAL BACKGROUND OF THE INVENTION
Il est connu d'utiliser des compositions phytosanitaires pour assurer la protection des cultures, ces compositions pouvant remplir le rôle de fongicide ou encore d'insecticide mais également de fertilisant. Elles sont généralement pulvérisées sur les cultures sous forme de solutions dans l'eau ou d'émulsions eau/huile ou huile/eau, en présence d'additifs tensioactifs. L'huile présente elle-même un effet fongistatique bien connu participant au ralentissement du développement de la maladie. It is known to use phytosanitary compositions to ensure the protection of crops, these compositions being able to fulfill the role of fungicide or even of insecticide but also of fertilizer. They are generally sprayed on crops in the form of solutions in water or water/oil or oil/water emulsions, in the presence of surfactant additives. The oil itself has a well-known fungistatic effect, helping to slow down the development of the disease.
Depuis longtemps, des huiles d'origine pétrolière émulsionnées dans l'eau sont pulvérisées sur les cultures dans un but insecticide. Convenablement préparées, de telles huiles permettent d'affecter les champignons et parasites tout en n'ayant aucun effet négatif sur le développement des plantes. Parmi les huiles raffinées conventionnelles, obtenues à partir de pétrole brut et/ou des distillats issus du raffinage, par extraction au solvant ou par hydrotraitement d'huiles de base, l'industriel choisira celles qui seront les moins toxiques mais les plus efficaces, par exemple à l'encontre des insectes et/ou des attaques fongiques. Il a été ainsi constaté que plus l'huile fabriquée est paraffinique, c'est-à-dire comprend des composés de chaîne carbonée saturée, linéaire ou branchée, plus celle-ci est efficace à l'encontre des insectes et moins elle est phytotoxique pour les plantes. For a long time, oils of petroleum origin emulsified in water have been sprayed on crops for insecticidal purposes. Properly prepared, such oils make it possible to affect fungi and parasites while having no negative effect on plant development. Among the conventional refined oils, obtained from crude oil and/or distillates resulting from refining, by solvent extraction or by hydrotreatment of base oils, the industrialist will choose those which will be the least toxic but the most effective, for example against insects and/or fungal attacks. It has thus been found that the more the oil produced is paraffinic, that is to say comprises compounds of saturated, linear or branched carbon chain, the more it is effective against insects and the less it is phytotoxic. for plants.
Pour optimiser les applications sur le terrain, les utilisateurs finaux ont besoin de certains compléments pour améliorer la performance des matières actives au moment de l'application. Ces compléments sont des adjuvants. Les fonctions de ces adjuvants sont de réduire la dérive, améliorer la qualité de la bouillie, augmenter la résistance au lessivage, améliorer la pénétration dans les tissus entre autres et permettent d'intégrer une composante économique et environnementale en réduisant la consommation de pesticides.
Divers procédés de traitement fongicide des cultures sont décrits dans la littérature. La demande WO 03/073858 décrit un procédé de lutte contre les maladies des végétaux par inhibition des enzymes extracellulaires des microorganismes contaminants. Cette demande démontre l'efficacité du bore, sous forme d'acide borique, dans l'inhibition des enzymes dégradatives extracellulaires. Cependant, de telles solutions ou suspensions aqueuses ne conviennent pas pour l'épandage aérien en solution. De plus, cette composition s'est avérée phytotoxique à l'égard de certains végétaux aux concentrations efficaces. Enfin, son efficacité à l'égard de certaines maladies comme la Cercosporiose noire n'a pas été prouvée. La demande WO 2005/074687 décrit, quant à elle, un procédé de traitement de maladies du bananier par application d'un antibiotique polyène, préférentiellement la natamycine. Cet antibiotique est mis en solution aqueuse puis pulvérisé sur les végétaux, ou ceux-ci sont baignés dans celle-ci. L'utilisation répétée d'un tel antibiotique présente un risque d'apparition de résistances et est donc un danger pour les écosystèmes. To optimize field applications, end users need certain supplements to improve the performance of active ingredients at the time of application. These supplements are adjuvants. The functions of these adjuvants are to reduce drift, improve the quality of the mixture, increase resistance to leaching, improve penetration into tissues, among others, and make it possible to integrate an economic and environmental component by reducing the consumption of pesticides. Various methods of fungicidal treatment of crops are described in the literature. Application WO 03/073858 describes a process for combating plant diseases by inhibiting the extracellular enzymes of contaminating microorganisms. This application demonstrates the effectiveness of boron, in the form of boric acid, in inhibiting extracellular degradative enzymes. However, such aqueous solutions or suspensions are not suitable for aerial solution application. In addition, this composition has proven to be phytotoxic with regard to certain plants at effective concentrations. Finally, its effectiveness against certain diseases such as black Sigatoka has not been proven. Application WO 2005/074687 describes, for its part, a process for treating banana diseases by applying a polyene antibiotic, preferably natamycin. This antibiotic is put in aqueous solution and then sprayed on the plants, or they are bathed in it. The repeated use of such an antibiotic presents a risk of the appearance of resistance and is therefore a danger for ecosystems.
Le document WO 2017/178738 décrit une composition phytosanitaire comprenant au moins une coupe hydrocarbonée paraffinique qui comprend des isoparaffines des paraffines normales et des naphtènes. Document WO 2017/178738 describes a phytosanitary composition comprising at least one paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes.
Les demandes WO 2011/070503 et WO 2013/092977 déposées par la Demanderesse décrivent toutes des compositions à usage phytosanitaire. Applications WO 2011/070503 and WO 2013/092977 filed by the Applicant all describe compositions for phytosanitary use.
Le document WO 2011/070503 décrit un concentré émulsionnable pour composition phytosanitaire, comprenant plus de 90% en poids d'au moins un mélange d'hydrocarbures de coupe de distillation supérieure à 250 ° C, comprenant moins de 20% en poids de n-paraffines et moins de 1% en poids d'aromatiques, et de 1 à 4% en poids d'un mélange d'au moins deux tensioactifs TA1 et TA2, tels que TA2 est plus hydrophobe que TA1 et dont la HLB du mélange varie de 6 à 10. La teneur en poids du concentré en n-paraffines rapporté à la quantité totale de coupe d'hydrocarbures est donc strictement inférieure à 20%. En pratique, les isoparaffines y représentent plus de 90% en poids des paraffines totales. L'activité phytosanitaire illustrée est une activité insecticide sur des cultures d'agrumes. Document WO 2011/070503 describes an emulsifiable concentrate for a phytosanitary composition, comprising more than 90% by weight of at least one mixture of hydrocarbons with a distillation cut greater than 250° C., comprising less than 20% by weight of n- paraffins and less than 1% by weight of aromatics, and from 1 to 4% by weight of a mixture of at least two surfactants TA1 and TA2, such that TA2 is more hydrophobic than TA1 and whose HLB of the mixture varies from 6 to 10. The content by weight of the n-paraffin concentrate relative to the total amount of hydrocarbon cut is therefore strictly less than 20%. In practice, the isoparaffins represent therein more than 90% by weight of the total paraffins. The phytosanitary activity illustrated is an insecticidal activity on citrus crops.
Le document WO 2013/092977 concerne l'utilisation d'une émulsion d'huile comme acaricide, insecticide et pour le traitement antifongique des tiges et des feuilles d'une plante lors de la croissance de celle-ci dans des espaces de culture confinés, à forte intensité de culture. L'émulsion comprend de l'eau et une huile de paraffine dérivée du pétrole et ayant un point d'ébullition de 200 °C à 450 °C, une viscosité inférieure ou égale à 20 mm2/s à 40 °C, et une teneur en résidus insulfonables d'au moins 95% selon la norme ASTM D483. Les compositions sont testées pour leur activité acaricide et contre l'oïdium sur des cultures de rosiers. Les compositions décrites dans ce document comprennent un taux de n-paraffines très faible par rapport au taux d'iso-paraffines.
L'usage des véhicules aériens sans pilotes, plus connus sous le nom de drones, destinés aux usages agricoles s'est développé au cours des dernières années. Permettant d'atteindre des parcelles escarpées, ou de pulvériser au plus près des besoins les traitements phytosanitaires, les drones sont des outils prometteurs en agriculture. Si les drones d'épandage peuvent faire partie de la panoplie de nouvelles technologies permettant d'améliorer les traitements phytosanitaires, leur développement dans ce domaine en est encore aux balbutiements. Notamment les formulations des compositions phytosanitaires traditionnellement utilisées dans l'agriculture ne sont pas adaptées. En effet, l'utilisation de compositions phytosanitaires dans le cadre d'un traitement par pulvérisation aérienne à l'aide d'un drone nécessitent d'avoir une stabilité de la bouillie d'épandage sur un laps de temps plus long, supérieur à dix heures, au lieu d'une heure pour les adjuvants conventionnels, afin de permettre la réalisation de traitements tout au long d'une journée. Document WO 2013/092977 relates to the use of an oil emulsion as an acaricide, insecticide and for the antifungal treatment of the stems and leaves of a plant during its growth in confined growing spaces, with high cultivation intensity. The emulsion comprises water and a paraffin oil derived from petroleum and having a boiling point of 200°C to 450°C, a viscosity less than or equal to 20 mm 2 /s at 40°C, and a content of insulphonable residues of at least 95% according to standard ASTM D483. The compositions are tested for their acaricidal activity and against powdery mildew on rose crops. The compositions described in this document comprise a very low level of n-paraffins compared to the level of iso-paraffins. The use of unmanned aerial vehicles, better known as drones, for agricultural purposes has grown in recent years. Allowing to reach steep plots, or to spray phytosanitary treatments as closely as possible, drones are promising tools in agriculture. If spraying drones can be part of the panoply of new technologies to improve phytosanitary treatments, their development in this area is still in its infancy. In particular, the formulations of phytosanitary compositions traditionally used in agriculture are not suitable. Indeed, the use of phytosanitary compositions in the context of aerial spraying treatment using a drone requires stability of the spreading mixture over a longer period of time, greater than ten hours, instead of one hour for conventional adjuvants, to allow treatments to be carried out throughout the day.
Aucun des documents de l'art antérieur se propose de modifier les compositions traditionnellement utilisées dans l'agriculture pour le traitement phytosanitaires afin de le rendre compatible avec l'usage de drone. None of the documents of the prior art proposes to modify the compositions traditionally used in agriculture for phytosanitary treatment in order to make it compatible with the use of drones.
Il subsiste donc le besoin de disposer d'une composition de traitement des maladies cryptogamiques des plantes, qui soit efficace et non-toxique pour l'utilisateur, le végétal ou l'environnement mais surtout qui puisse être utilisée dans le cadre d'un traitement par pulvérisation aérienne à l'aide d'un drone. There therefore remains the need to have a composition for treating cryptogamic diseases of plants, which is effective and non-toxic for the user, the plant or the environment but above all which can be used in the context of a treatment by aerial spraying using a drone.
La demanderesse a trouvé de manière surprenante que ce besoin peut être satisfait par une nouvelle composition phytosanitaire de traitement des cultures. The applicant has found, surprisingly, that this need can be satisfied by a new phytosanitary composition for treating crops.
La présente invention a pour objectif de fournir une composition dont la bouillie d'épandage est stable sur un laps de temps plus long, supérieur à lOh voire 24h. The present invention aims to provide a composition whose spreading mixture is stable over a longer period of time, greater than 1 Oh or even 24 hours.
Par ailleurs, la présente invention a pour objectif de fournir une composition qui permette de réduire la dérive, améliorer la qualité de la bouillie, augmenter la résistance au lessivage, améliorer la pénétration dans les tissus, améliorer l'effet anti-évaporation entre autres et qui permette d'intégrer une composante économique et environnementale en réduisant la consommation de pesticides. Furthermore, the present invention aims to provide a composition which makes it possible to reduce drift, improve the quality of the mixture, increase the resistance to washing, improve the penetration into the fabrics, improve the anti-evaporation effect among others and which makes it possible to integrate an economic and environmental component by reducing the consumption of pesticides.
La composition de l'invention a pour avantage de ne pas bloquer la photosynthèse et de ne pas ralentir la croissance des plantes The composition of the invention has the advantage of not blocking photosynthesis and of not slowing down plant growth
La présente invention a également pour objectif de fournir une composition de traitement des maladies des plantes ayant une viscosité adaptée, c'est-à-dire sans risque d'altération du métabolisme de la plante. The present invention also aims to provide a composition for treating plant diseases having a suitable viscosity, that is to say without risk of altering the metabolism of the plant.
RÉSUMÉ DE L'INVENTION SUMMARY OF THE INVENTION
L'invention concerne en premier lieu une composition phytosanitaire comprenant au moins :
une coupe hydrocarbonée paraffinique qui comprend des isoparaffines, des paraffines normales et des naphtènes, un acide oléique alcoxylé, un ester de sorbitane, et un isotridecanol alcoxylé. The invention relates firstly to a phytosanitary composition comprising at least: a paraffinic hydrocarbon cut which includes isoparaffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester, and an alkoxylated isotridecanol.
L'invention concerne également l'utilisation pour le traitement phytosanitaire de végétaux d'une composition comprenant au moins : une coupe hydrocarbonée paraffinique qui comprend des isoparaffines des paraffines normales et des naphtènes, un acide oléique alcoxylé, un ester de sorbitane, et un isotridecanol alcoxylé. The invention also relates to the use for the phytosanitary treatment of plants of a composition comprising at least: a paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester, and an isotridecanol alkoxylated.
L'invention concerne encore un procédé de traitement phytosanitaire de cultures comprenant au moins une étape d'application, de préférence par aspersion, pulvérisation ou épandage à l'aide d'un drone de la composition phytosanitaire selon l'invention. The invention also relates to a process for the phytosanitary treatment of crops comprising at least one step of application, preferably by sprinkling, spraying or spreading using a drone, of the phytosanitary composition according to the invention.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée comprend une teneur en poids d'isoparaffines inférieure à 75%, de préférence inférieure ou égale à 65 % et préférentiellement inférieure ou égale à 50 % par rapport au poids total de la coupe hydrocarbonée. According to an advantageous embodiment, the hydrocarbon cut comprises an isoparaffin content by weight of less than 75%, preferably less than or equal to 65% and preferably less than or equal to 50% relative to the total weight of the hydrocarbon cut.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée comprend une teneur en poids en paraffines normales inférieure ou égale à 5% et préférentiellement inférieure ou égale à 2% par rapport au poids total de la coupe hydrocarbonée. According to an advantageous embodiment, the hydrocarbon cut comprises a content by weight of normal paraffins less than or equal to 5% and preferably less than or equal to 2% relative to the total weight of the hydrocarbon cut.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée comprend une teneur en poids de composés naphténiques allant de 15 à 45 %, encore plus préférentiellement de 35 à 40 % par rapport au poids total de la coupe hydrocarbonée. According to an advantageous embodiment, the hydrocarbon cut comprises a content by weight of naphthenic compounds ranging from 15 to 45%, even more preferably from 35 to 40% relative to the total weight of the hydrocarbon cut.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée comprend 15 à 30 atomes de carbone, préférentiellement de 16 à 27 atomes de carbone, plus préférentiellement de 17 à 25 atomes de carbone, encore plus préférentiellement de 18 à 22 atomes de carbone. According to an advantageous embodiment, the hydrocarbon fraction comprises 15 to 30 carbon atoms, preferentially from 16 to 27 carbon atoms, more preferentially from 17 to 25 carbon atoms, even more preferentially from 18 to 22 carbon atoms.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée a une distribution carbone comprise entre C15 et C25 selon la norme ASTM D2887, plus préférentiellement comprise entre C18 et C22 selon la norme ASTM D2887. According to an advantageous embodiment, the hydrocarbon fraction has a carbon distribution of between C15 and C25 according to the ASTM D2887 standard, more preferably between C18 and C22 according to the ASTM D2887 standard.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée comprend une teneur en poids de résidus insulfonables supérieure ou égale à 95 %, de préférence supérieure ou égale à 97 %, préférentiellement supérieure ou égale à 98 % par rapport au poids total de la coupe hydrocarbonée.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée présente un point initial d'ébullition et un point final d'ébullition dans la gamme allant de 250 à 400 °C, de préférence de 260 à 390 °C et préférentiellement de 305 à 350 °C selon la norme ASTM D86. According to an advantageous embodiment, the hydrocarbon cut comprises a content by weight of unsulfonable residues greater than or equal to 95%, preferably greater than or equal to 97%, preferably greater than or equal to 98% relative to the total weight of the hydrocarbon cut. . According to an advantageous embodiment, the hydrocarbon fraction has an initial boiling point and a final boiling point in the range ranging from 250 to 400° C., preferably from 260 to 390° C. and preferentially from 305 to 350° C. C according to ASTM D86.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée a une viscosité cinématique à 40°C allant de 6 à 13 mm2/s, préférentiellement de 6 à 12 mm2/s et plus préférentiellement de 6 à 8 mm2/s selon la norme ASTM D445. According to an advantageous embodiment, the hydrocarbon cut has a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferentially from 6 to 12 mm 2 /s and more preferentially from 6 to 8 mm 2 /s according to the ASTM D445 standard.
Selon un mode de réalisation avantageux, la coupe hydrocarbonée a un point d'écoulement supérieur ou égal à -63 °C, de préférence supérieur ou égal à -50 °C et préférentiellement supérieur ou égal à -43 °C selon la norme ASTM D97. According to an advantageous embodiment, the hydrocarbon cut has a pour point greater than or equal to -63°C, preferably greater than or equal to -50°C and preferably greater than or equal to -43°C according to standard ASTM D97 .
Selon un mode de réalisation avantageux, la coupe hydrocarbonée représente une quantité allant de 50 à 99 % en poids par rapport au poids total de la composition phytosanitaire. According to an advantageous embodiment, the hydrocarbon fraction represents an amount ranging from 50 to 99% by weight relative to the total weight of the phytosanitary composition.
Selon un mode de réalisation avantageux, la composition phytosanitaire est sous forme d'une émulsion huile-dans-eau ou d'une émulsion eau-dans-huile. According to an advantageous embodiment, the phytosanitary composition is in the form of an oil-in-water emulsion or a water-in-oil emulsion.
Selon un mode de réalisation avantageux, l'utilisation de la composition phytosanitaire est pour une application par aspersion sur les cultures, notamment par pulvérisation ou épandage à l'aide d'un drone. According to an advantageous embodiment, the use of the phytosanitary composition is for application by sprinkling on the crops, in particular by spraying or spreading using a drone.
Selon un mode de réalisation avantageux, l'utilisation de la composition phytosanitaire est destinée à la fertilisation des plantes. According to an advantageous embodiment, the use of the phytosanitary composition is intended for the fertilization of plants.
Selon un mode de réalisation avantageux, l'utilisation de la composition phytosanitaire est destinée au traitement préventif et/ou curatif des maladies cryptogamiques des plantes, également appelée maladie fongique des plantes. According to an advantageous embodiment, the use of the phytosanitary composition is intended for the preventive and/or curative treatment of cryptogamic diseases of plants, also called fungal disease of plants.
Selon un mode de réalisation avantageux, l'utilisation de la composition phytosanitaire est destinée au traitement préventif et/ou curatif des maladies causées par des insectes des plantes. According to an advantageous embodiment, the use of the phytosanitary composition is intended for the preventive and/or curative treatment of diseases caused by plant insects.
Selon un mode de réalisation avantageux, l'utilisation est destinée au traitement préventif et/ou curatif des maladies cryptogamiques des plantes des régions tropicales et équatoriales. According to an advantageous embodiment, the use is intended for the preventive and/or curative treatment of cryptogamic diseases of plants in tropical and equatorial regions.
Selon un mode de réalisation avantageux, l'utilisation est destinée au traitement préventif et/ou curatif des maladies d'une plante choisie parmi le manguier, la vigne, l'aubergine, mandarinier, le riz et Troène luisant. According to an advantageous embodiment, the use is intended for the preventive and/or curative treatment of diseases of a plant chosen from among mango trees, vines, eggplants, mandarin trees, rice and shiny privet.
Selon un mode de réalisation avantageux, le procédé de l'invention comprend en outre l'application conjointe d'au moins un principe actif fertilisant. According to an advantageous embodiment, the method of the invention further comprises the joint application of at least one fertilizing active ingredient.
Selon un mode de réalisation avantageux, le procédé de l'invention comprend en outre l'application conjointe d'au moins un principe actif fongicide. According to an advantageous embodiment, the method of the invention further comprises the joint application of at least one fungicidal active principle.
Selon un mode de réalisation avantageux, le procédé de l'invention comprend en outre l'application conjointe d'au moins un principe actif insecticide.
DESCRIPTION DETAILLEE DE L'INVENTION According to an advantageous embodiment, the method of the invention further comprises the joint application of at least one insecticidal active principle. DETAILED DESCRIPTION OF THE INVENTION
L'invention concerne l'utilisation par aspersion de la plante à traiter, de préférence par épandage ou par pulvérisation à l'aide d'un drone d'une composition phytosanitaire comprenant au moins une coupe hydrocarbonée issue du pétrole brut ou une coupe hydrocarbonée issue de la conversion de la biomasse, destinée à la fertilisation des plantes ou pour le traitement préventif et/ou curatif des maladies de plantes. The invention relates to the use by sprinkling of the plant to be treated, preferably by spreading or by spraying using a drone, of a phytosanitary composition comprising at least one hydrocarbon cut obtained from crude oil or a hydrocarbon cut obtained the conversion of biomass, intended for the fertilization of plants or for the preventive and/or curative treatment of plant diseases.
Elle concerne une composition phytosanitaire comprenant cette composition huileuse dans un support acceptable pour une application phytosanitaire. It relates to a phytosanitary composition comprising this oily composition in a carrier acceptable for a phytosanitary application.
A titre préliminaire on notera que, dans la description et les revendications suivantes, l'expression « compris entre » doit s'entendre comme incluant les bornes citées. As a preliminary, it will be noted that, in the description and the following claims, the expression “included between” must be understood as including the limits cited.
Au sens de la présente invention, le mot « paraffines » inclus les isoparaffines et les n- paraffines. Within the meaning of the present invention, the word “paraffins” includes isoparaffins and n-paraffins.
Au sens de la présente invention, le mot « isoparaffines » désigne des alcanes ramifiés non- cycliques. Within the meaning of the present invention, the word “isoparaffins” denotes non-cyclic branched alkanes.
Au sens de la présente invention, le mot « n-paraffines » ou « paraffines normales » désigne des alcanes linéaires non-cycliques. Within the meaning of the present invention, the word “n-paraffins” or “normal paraffins” denotes non-cyclic linear alkanes.
Au sens de la présente invention, le mot « naphtènes » désigne des alcanes cycliques (non aromatiques). Within the meaning of the present invention, the word “naphthenes” denotes cyclic (non-aromatic) alkanes.
Composition phytosanitaire Phytosanitary composition
La composition phytosanitaire selon l'invention comprend au moins une coupe hydrocarbonée d'origine pétrolière. The phytosanitary composition according to the invention comprises at least one hydrocarbon fraction of petroleum origin.
La composition phytosanitaire selon l'invention comprend de préférence une teneur en coupe hydrocarbonée allant de 50 à 100 %, de préférence de 70 à 100 %, plus préférentiellement de 80 à 100% et idéalement de 90 à 100 % en poids par rapport au poids total de la composition phytosanitaire. The phytosanitary composition according to the invention preferably comprises a hydrocarbon cut content ranging from 50 to 100%, preferably from 70 to 100%, more preferably from 80 to 100% and ideally from 90 to 100% by weight relative to the weight total phytosanitary composition.
Les autres composants de la composition de protection phytosanitaire peuvent être : des principes actifs phytosanitaires oléosolubles, des huiles d'origine végétale ou animale, des tensioactifs. The other components of the phytosanitary protection composition can be: oil-soluble phytosanitary active principles, oils of plant or animal origin, surfactants.
Notamment la composition phytosanitaire peut être sous forme d'un concentré émulsionnable : les tensioactifs sont introduits dans la composition huileuse de façon à permettre la production d'une émulsion par simple mélange de cette composition huileuse avec une phase aqueuse. Le concentré émulsionnable peut comprendre de petites quantités d'eau, des principes actifs phytosanitaires oléosolubles, des huiles d'origine végétale ou animale.
Coupe hydrocarbonée In particular, the phytosanitary composition may be in the form of an emulsifiable concentrate: the surfactants are introduced into the oily composition so as to allow the production of an emulsion by simple mixing of this oily composition with an aqueous phase. The emulsifiable concentrate may comprise small amounts of water, oil-soluble phytosanitary active principles, oils of vegetable or animal origin. Hydrocarbon cut
L'huile phytosanitaire de type coupe hydrocarbonée mise en oeuvre dans la composition selon l'invention peut encore être appelée solvant hydrocarboné. Avantageusement elle est essentiellement constituée de composants paraffiniques et de naphtènes. The phytosanitary oil of hydrocarbon cut type used in the composition according to the invention can also be called hydrocarbon solvent. Advantageously, it essentially consists of paraffinic components and naphthenes.
La coupe hydrocarbonée mise en oeuvre dans la composition selon l'invention est avantageusement à très basse teneur en aromatiques. Par très basse teneur en aromatiques, on entend, de préférence, une coupe hydrocarbonée comprenant une teneur en composés aromatiques inférieure ou égale à 1000 ppm, préférentiellement inférieure ou égale à 500 ppm, encore plus préférentiellement inférieure ou égale 300 ppm, mesurée par spectrométrie UV. The hydrocarbon fraction used in the composition according to the invention advantageously has a very low aromatics content. By very low aromatics content is meant, preferably, a hydrocarbon cut comprising a content of aromatic compounds less than or equal to 1000 ppm, preferably less than or equal to 500 ppm, even more preferably less than or equal to 300 ppm, measured by UV spectrometry .
La coupe hydrocarbonée a également de préférence une teneur en soufre inférieure ou égale à 10 ppm, préférentiellement inférieure ou égale à 5 ppm et plus préférentiellement inférieure ou égale à 2 ppm. The hydrocarbon cut also preferably has a sulfur content of less than or equal to 10 ppm, preferably less than or equal to 5 ppm and more preferably less than or equal to 2 ppm.
De préférence, la coupe hydrocarbonée comprend une teneur en soufre selon la norme ASTM D5453 comprise entre 0,05 et 1 mg/kg, préférentiellement entre 0,05 et 0,5 mg/kg et plus entre 0,05 et 0,1 mg/kg. Preferably, the hydrocarbon cut comprises a sulfur content according to the ASTM D5453 standard of between 0.05 and 1 mg/kg, preferentially between 0.05 and 0.5 mg/kg and more between 0.05 and 0.1 mg /kg.
La coupe hydrocarbonée selon l'invention comprend aussi une teneur en poids de résidus insulfonables selon la norme ASTM D483 supérieure ou égale à 92 %, de préférence supérieure ou égale à 95 % et plus préférentiellement supérieure ou égale à 99 %. The hydrocarbon fraction according to the invention also comprises a content by weight of insulphonable residues according to the ASTM D483 standard greater than or equal to 92%, preferably greater than or equal to 95% and more preferably greater than or equal to 99%.
La coupe hydrocarbonée selon l'invention est une coupe hydrocarbonée qui peut être issue de façon connue du pétrole brut. The hydrocarbon cut according to the invention is a hydrocarbon cut which can come from crude oil in known manner.
De préférence, on entend par coupe hydrocarbonée au sens de l'invention, une coupe issue de la distillation du pétrole brut, de préférence issue de la distillation atmosphérique et/ou de la distillation sous vide du pétrole brut, de préférence issue de la distillation atmosphérique suivie de la distillation sous vide. Preferably, by hydrocarbon cut is meant within the meaning of the invention, a cut resulting from the distillation of crude oil, preferably resulting from the atmospheric distillation and/or from the vacuum distillation of crude oil, preferably resulting from the distillation atmosphere followed by vacuum distillation.
La coupe hydrocarbonée mise en oeuvre dans la composition de l'invention est avantageusement obtenue par un procédé comprenant des étapes d'hydrotraitement, hydrocraquage ou craquage catalytique. The hydrocarbon cut used in the composition of the invention is advantageously obtained by a process comprising hydrotreating, hydrocracking or catalytic cracking stages.
La coupe hydrocarbonée mise en oeuvre dans la composition de l'invention est de préférence obtenue par un procédé comprenant des étapes de déaromatisation et éventuellement désulfuration. The hydrocarbon fraction used in the composition of the invention is preferably obtained by a process comprising dearomatization and optionally desulphurization steps.
La coupe hydrocarbonée selon l'invention n'est typiquement pas soumise à une étape de déparaffinage. Le déparaffinage est un procédé de traitement connu des coupes hydrocarbonées sans conversion consistant à enlever les paraffines et les cires microcristallines d'une charge ou à les convertir en composés de masse moléculaire plus faible et/ou de structure moléculaire différente. Les
procédés de déparaffinage classiquement connus sont des procédés d'extraction au solvant ou d'hydrodéparaffinage. Lors de ces procédés les paraffines normales sont extraites ou transformées en iso-paraffines afin généralement d'obtenir un point d'écoulement plus bas. Par déparaffinage, on entend un procédé de traitement permettant d'obtenir une coupe hydrocarbonée comprenant une teneur en poids de paraffines normales inférieure à 10 %. Les procédés conduisant à un déparaffinage partiel de la coupe hydrocarbonée ne sont pas exclus de l'invention. The hydrocarbon cut according to the invention is typically not subjected to a dewaxing step. Dewaxing is a known process for treating hydrocarbon cuts without conversion consisting of removing the paraffins and microcrystalline waxes from a feed or converting them into compounds of lower molecular weight and/or of different molecular structure. The Conventionally known dewaxing methods are solvent extraction or hydrodewaxing methods. During these processes the normal paraffins are extracted or transformed into iso-paraffins in order generally to obtain a lower pour point. By dewaxing is meant a treatment process making it possible to obtain a hydrocarbon fraction comprising a content by weight of normal paraffins of less than 10%. Processes leading to partial dewaxing of the hydrocarbon cut are not excluded from the invention.
De préférence, la coupe hydrocarbonée obtenue après la ou les étapes de distillation est choisie parmi les coupes gazole. La coupe gazole est de préférence obtenue par un procédé comprenant des étapes d'hydrotraitement, d'hydrocraquage ou de craquage catalytique, suivi éventuellement des étapes de déaromatisation et éventuellement de désulfuration. Preferably, the hydrocarbon cut obtained after the distillation step(s) is chosen from gas oil cuts. The gas oil cut is preferably obtained by a process comprising hydrotreating, hydrocracking or catalytic cracking stages, optionally followed by dearomatization and optionally desulphurization stages.
La coupe hydrocarbonée peut être un mélange de coupes hydrocarbonées ayant subi les étapes décrites ci-dessus. The hydrocarbon cut can be a mixture of hydrocarbon cuts which have undergone the steps described above.
La coupe hydrocarbonée peut être un mélange de coupe hydrocarbonée issue de la distillation du pétrole brut. The hydrocarbon cut can be a mixture of hydrocarbon cut resulting from the distillation of crude oil.
De préférence la coupe hydrocarbonée est une coupe hydrocarbonée issue de la distillation du pétrole brut. Preferably, the hydrocarbon cut is a hydrocarbon cut resulting from the distillation of crude oil.
Avantageusement la coupe hydrocarbonée est une coupe hydrocarbonée hydrogénée.Advantageously, the hydrocarbon cut is a hydrogenated hydrocarbon cut.
La coupe hydrocarbonée mise en oeuvre dans la composition de l'invention est avantageusement une coupe hydrocarbonée ayant un intervalle de distillation ID (en °C) 250 à 400 °C, de préférence de 260 à 390 °C et préférentiellement de 305 à 350 °C mesuré selon la norme ASTM D86. De préférence, la différence entre le point d'ébullition initial et le point d'ébullition final est inférieure ou égale à 100 °C. La coupe hydrocarbonée peut comprendre une ou plusieurs fractions d'intervalles de distillation compris dans les intervalles décrits ci-dessus. The hydrocarbon cut used in the composition of the invention is advantageously a hydrocarbon cut having a distillation range ID (in °C) of 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350°C. C measured according to ASTM D86. Preferably, the difference between the initial boiling point and the final boiling point is less than or equal to 100°C. The hydrocarbon cut can comprise one or more fractions of distillation intervals included in the intervals described above.
Avantageusement, la coupe hydrocarbonée mise en oeuvre dans la composition phytosanitaire selon l'invention est totalement saturée. De préférence, les composants de la coupe hydrocarbonée sont choisis parmi les chaînes hydrocarbonées comprenant de 15 à 30 atomes de carbone, préférentiellement de 16 à 27 atomes de carbone, plus préférentiellement de 17 à 25 atomes de carbone, encore plus préférentiellement de 18 à 22 atomes de carbone. Advantageously, the hydrocarbon cut used in the phytosanitary composition according to the invention is totally saturated. Preferably, the components of the hydrocarbon cut are chosen from hydrocarbon chains comprising from 15 to 30 carbon atoms, preferentially from 16 to 27 carbon atoms, more preferentially from 17 to 25 carbon atoms, even more preferentially from 18 to 22 carbon atoms.
Avantageusement, la distribution carbone de la coupe hydrocarbonée est déterminée selon la norme ASTM D2887, et est comprise entre C15 et C25, plus préférentiellement comprise entre C18 et C22 selon la norme ASTM D2887. Advantageously, the carbon distribution of the hydrocarbon cut is determined according to the ASTM D2887 standard, and is between C15 and C25, more preferably between C18 and C22 according to the ASTM D2887 standard.
Selon un premier mode de réalisation, la coupe hydrocarbonée présente de préférence :
un point initial d'ébullition et un point final d'ébullition dans la gamme allant de 250 à 400 °C, de préférence de 260 à 390 °C et préférentiellement de 305 à 350 °C selon la norme ASTM D86, et une viscosité cinématique à 40°C allant de 6 à 13 mm2/s, préférentiellement de 6 à 12 mm2/s et plus préférentiellement de 6 à 8 mm2/s selon la norme ASTM D445.According to a first embodiment, the hydrocarbon cut preferably has: an initial boiling point and a final boiling point in the range from 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350°C according to the ASTM D86 standard, and a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferably from 6 to 12 mm 2 /s and more preferably from 6 to 8 mm 2 /s according to standard ASTM D445.
Selon un second mode de réalisation, la coupe hydrocarbonée présente de préférence : une viscosité cinématique à 40°C allant de 6 à 13 mm2/s, préférentiellement de 6 à 12 mm2/s et plus préférentiellement de 6 à 8 mm2/s selon la norme ASTM D445, et un point d'écoulement supérieur ou égal à -63 °C, de préférence supérieur ou égal à -50 °C et préférentiellement supérieur ou égal à -43 °C selon la norme ASTM D97.According to a second embodiment, the hydrocarbon fraction preferably has: a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferentially from 6 to 12 mm 2 /s and more preferentially from 6 to 8 mm 2 / s according to the ASTM D445 standard, and a pour point greater than or equal to -63° C., preferably greater than or equal to -50° C. and preferably greater than or equal to -43° C. according to the ASTM D97 standard.
Selon un mode de réalisation préférentiel, la coupe hydrocarbonée présente : un point initial d'ébullition et un point final d'ébullition dans la gamme allant de 250 à 400 °C, de préférence de 260 à 390 °C et préférentiellement de 305 à 350 °C selon la norme ASTM D86, une viscosité cinématique à 40°C allant de 6 à 13 mm2/s, préférentiellement de 6 à 12 mm2/s et plus préférentiellement de 6 à 8 mm2/s selon la norme ASTM D445, et un point d'écoulement supérieur ou égal à -63 °C, de préférence supérieur ou égal à -50 °C et préférentiellement supérieur ou égal à -43 °C selon la norme ASTM D97. According to a preferred embodiment, the hydrocarbon fraction has: an initial boiling point and a final boiling point in the range from 250 to 400°C, preferably from 260 to 390°C and preferably from 305 to 350 °C according to the ASTM D86 standard, a kinematic viscosity at 40°C ranging from 6 to 13 mm 2 /s, preferably from 6 to 12 mm 2 /s and more preferably from 6 to 8 mm 2 /s according to the ASTM D445 standard , and a pour point greater than or equal to -63° C., preferably greater than or equal to -50° C. and preferably greater than or equal to -43° C. according to standard ASTM D97.
Composition phytosanitaire Phytosanitary composition
L'invention concerne une composition phytosanitaire comprenant la composition huileuse dans un support adapté pour le traitement phytosanitaire ou la fertilisation de végétaux. The invention relates to a phytosanitary composition comprising the oily composition in a support suitable for the phytosanitary treatment or the fertilization of plants.
Par « support adapté pour le traitement phytosanitaire ou la fertilisation de végétaux » on entend un support qui serve de véhicule pour le traitement ou la fertilisation des végétaux, notamment par aspersion, épandage ou tout autre moyen permettant de traiter les végétaux à l'aide d'un drone. Ce support doit être non toxique pour la plante et pour son environnement, notamment pour l'homme. By "support suitable for the phytosanitary treatment or the fertilization of plants" is meant a support which serves as a vehicle for the treatment or the fertilization of plants, in particular by sprinkling, spreading or any other means making it possible to treat the plants using 'a drone. This support must be non-toxic for the plant and for its environment, in particular for humans.
Le support adapté pour une application phytosanitaire peut consister en une émulsion huile- dans-eau, une émulsion eau-dans-huile, une dispersion ou une suspension de particules huileuses dans une phase aqueuse. Dans ce cas, la composition phytosanitaire se présentera typiquement sous une forme choisie parmi une émulsion huile-dans-eau, une émulsion eau-dans-huile, une dispersion ou une suspension de particules huileuses dans une phase aqueuse. The support suitable for a phytosanitary application can consist of an oil-in-water emulsion, a water-in-oil emulsion, a dispersion or a suspension of oily particles in an aqueous phase. In this case, the phytosanitary composition will typically be in a form chosen from an oil-in-water emulsion, a water-in-oil emulsion, a dispersion or a suspension of oily particles in an aqueous phase.
Avantageusement, la composition phytosanitaire comprend une teneur en huile phytosanitaire selon l'invention allant de 1 à 99 % en masse rapportée à la masse totale de la
composition, avantageusement de 10 à 80%, et plus préférentiellement de 15 à 70 %. Le reste de la composition est constitué, de façon non limitative, de la phase aqueuse, d'éventuels additifs, de tensioactifs, de polymères, de principes actifs phytosanitaires, notamment des fongicides. Ces derniers, lorsqu'ils sont utilisés dans les compositions de l'invention, le sont aux doses habituellement recommandées en fonction du type de plante et de la gravité de la maladie. Advantageously, the phytosanitary composition comprises a phytosanitary oil content according to the invention ranging from 1 to 99% by mass relative to the total mass of the composition, advantageously from 10 to 80%, and more preferentially from 15 to 70%. The rest of the composition consists, in a non-limiting manner, of the aqueous phase, of possible additives, of surfactants, of polymers, of phytosanitary active principles, in particular fungicides. The latter, when they are used in the compositions of the invention, are used at the doses usually recommended depending on the type of plant and the severity of the disease.
Outre une éventuelle phase aqueuse, la composition phytosanitaire comprend les additifs suivants : un acide oléique alcoxylé, un ester de sorbitane et un isotridecanol alcoxylé. Elle peut en outre comprendre des polymères permettant la stabilisation de l'émulsion ou la dispersion ou de la suspension. In addition to a possible aqueous phase, the phytosanitary composition comprises the following additives: an alkoxylated oleic acid, a sorbitan ester and an alkoxylated isotridecanol. It may also comprise polymers allowing the stabilization of the emulsion or the dispersion or of the suspension.
L'acide oléique est un acide gras mono-insaturé à 18 atomes de carbone, de formule chimique brute C18H34O2 (ou CH3(CH2)7CH=CH(CH2)7COOH). Son nom IUPAC est Acide cis-9- octadécamonoénoïque, et son nom court de lipide est 18:1 cis-9. Oleic acid is a monounsaturated fatty acid with 18 carbon atoms, with the chemical formula C 18 H 34 O 2 (or CH3(CH2)7CH=CH(CH2)7COOH). Its IUPAC name is cis-9-octadecamonoenoic acid, and its short lipid name is 18:1 cis-9.
L'isotridecanol ou 11-méthyldodécan-l-ol est un alcool gras à longue chaîne à 13 atomes de carbone, de formule chimique brute est C13H28O. Il s'agit du dodécan-l-ol méthylé en position 11. Isotridecanol or 11-methyldodecan-l-ol is a long-chain fatty alcohol with 13 carbon atoms, with the chemical formula C 13 H 28 O. It is dodecan-l-ol methylated in position 11.
Dans le cadre de l'invention, l'acide oléique et l'isotridécanol sont alcoxylés. De préférence l'acide oléique et l'isotridecanol sont éthoxylés. Dans le cadre de la présente invention l'éthoxylation est la réaction chimique dans lequel l'oxyde d'éthylène est ajouté à un composé à hydrogène labile pour produire des tensioactifs. Le composé à hydrogène labile est généralement un alcool, un phénol ou encore un acide carboxylique. In the context of the invention, oleic acid and isotridecanol are alkoxylated. Preferably the oleic acid and the isotridecanol are ethoxylated. In the context of the present invention ethoxylation is the chemical reaction in which ethylene oxide is added to a labile hydrogen compound to produce surfactants. The labile hydrogen compound is generally an alcohol, a phenol or even a carboxylic acid.
Le nombre d'alcoxylations, ou d'éthoxylations, est dans un mode de réalisation de l'invention compris entre 1 et 10, de préférence entre 1 et 5, et préférentiellement entre 1 et 3. The number of alkoxylations, or ethoxylations, is in one embodiment of the invention between 1 and 10, preferably between 1 and 5, and preferentially between 1 and 3.
Par ester de sorbitane, on entend un dérivé du sorbitane par estérification d'une ou plusieurs de ses fonctions alcool ou phénol. A titre d'exemple et sans que ça soit limitatif on peut citer le monostéarate de sorbitane, le tristéarate de sorbitane, le monolaurate de sorbitane, le monopalmitate de sorbitane, le trioléate de sorbitane et le monooléate de sorbitane. By sorbitan ester is meant a derivative of sorbitan by esterification of one or more of its alcohol or phenol functions. By way of example and without this being limiting, mention may be made of sorbitan monostearate, sorbitan tristearate, sorbitan monolaurate, sorbitan monopalmitate, sorbitan trioleate and sorbitan monooleate.
De préférence l'ester de sorbitane est choisi parmi le trioléate de sorbitane et le monooléate de sorbitane. Preferably, the sorbitan ester is chosen from sorbitan trioleate and sorbitan monooleate.
Selon un mode de réalisation préféré, la composition comprend de 80 à 95 % en poids de coupe hydrocarbonée et de 5 à 20% en poids d'additifs par rapport au poids total de la composition phytosanitaire, lesdits additifs étant choisis parmi un acide oléique alcoxylé, un ester de sorbitane et un isotridecanol alcoxylé. De préférence, la composition comprend de 88 à 90 % en poids de coupe hydrocarbonée par rapport au poids total de la composition phytosanitaire. According to a preferred embodiment, the composition comprises from 80 to 95% by weight of hydrocarbon cut and from 5 to 20% by weight of additives relative to the total weight of the phytosanitary composition, said additives being chosen from an alkoxylated oleic acid , a sorbitan ester and an alkoxylated isotridecanol. Preferably, the composition comprises from 88 to 90% by weight of hydrocarbon fraction relative to the total weight of the phytosanitary composition.
Selon un mode de réalisation préférentielle, la composition comprend de 2 à 5 % en poids d'acide oléique alcoxylé, de 2 à 5 % en poids d'ester de sorbitane et de 3 à 8 % en poids d'isotridecanol
alcoxylé, de préférence de 2,5 à 5 % en poids d'acide oléique alcoxylé, de 2,5 à 5 % en poids de d'ester de sorbitane et de 5 à 8 % en poids d'isotridecanol alcoxylé et préférentiellement de 3 à 4 % en poids d'acide oléique alcoxylé, de 3 à 4 % en poids d'ester de sorbitane et de 6 à 7 % en poids d'isotridecanol alcoxylé, par rapport au poids total de la composition phytosanitaire. According to a preferred embodiment, the composition comprises from 2 to 5% by weight of alkoxylated oleic acid, from 2 to 5% by weight of sorbitan ester and from 3 to 8% by weight of isotridecanol alkoxylated, preferably from 2.5 to 5% by weight of alkoxylated oleic acid, from 2.5 to 5% by weight of sorbitan ester and from 5 to 8% by weight of alkoxylated isotridecanol and preferentially from 3 to 4% by weight of alkoxylated oleic acid, from 3 to 4% by weight of sorbitan ester and from 6 to 7% by weight of alkoxylated isotridecanol, relative to the total weight of the phytosanitary composition.
Selon un mode de réalisation, la composition phytosanitaire selon l'invention comprend, par rapport au poids total de la composition phytosanitaire : de 80 à 90% en poids de coupe hydrocarbonée paraffinique qui comprend des isoparaffines, des paraffines normales et des naphtènes, de 2 à 5% en poids d'acide oléique alcoxylé, de 2 à 5% en poids d'ester de sorbitane, et de 3 à 8% en poids d'isotridecanol alcoxylé. According to one embodiment, the phytosanitary composition according to the invention comprises, relative to the total weight of the phytosanitary composition: from 80 to 90% by weight of paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, from 2 to 5% by weight of alkoxylated oleic acid, from 2 to 5% by weight of sorbitan ester, and from 3 to 8% by weight of alkoxylated isotridecanol.
Suivant le caractère hydrophile ou lipophile de ces additifs, ceux-ci seront introduits dans la phase aqueuse ou dans la phase huileuse. Depending on the hydrophilic or lipophilic nature of these additives, they will be introduced into the aqueous phase or into the oily phase.
La phase aqueuse peut comprendre des sels, des principes actifs phytosanitaires hydrosolubles. The aqueous phase may comprise salts, water-soluble phytosanitary active principles.
La composition phytosanitaire selon l'invention peut également être mise en mélange avec tout autres produits phytosanitaires (insecticides et/ou fongicides et/ou fertilisant). Bien entendu, l'homme du métier veillera à choisir le ou les éventuels autres adjuvants ou additifs de la composition selon l'invention de manière telle que les propriétés avantageuses attachées intrinsèquement à la composition phytosanitaire conforme à l'invention ne soient pas ou substantiellement pas, altérées par l'addition envisagée. The phytosanitary composition according to the invention can also be mixed with any other phytosanitary products (insecticides and/or fungicides and/or fertiliser). Of course, those skilled in the art will take care to choose the possible other adjuvant(s) or additive(s) of the composition according to the invention in such a way that the advantageous properties intrinsically attached to the phytosanitary composition in accordance with the invention are not or substantially not , altered by the proposed addition.
Sans se limiter à ceux-ci et à titre d'exemple, on peut citer comme fongicides utilisables avec la composition phytosanitaire selon l'invention, les produits de contact appartenant à la famille des dithiocarbamates comme le Mancozèbe, les produits systémiques de la famille des strobilurines (Azoxystrobine, Pyraclostrobine, Trifloxystrobine), ceux de la famille des carboximides (fluoryram, izopyrazam), des amines (Fenpropimorph, Tridemorph, Spiroxamine), des Anilino-Pyrimidines (Pyrimethanil), les inhibiteurs de succinate déshydrogénase (Boscalid) et les inhibiteurs de la déméthylation des stérols (Difénoconazole, Epoxyconazole, Fenbuconazole, Propiconazole, Tebuconazole). Without being limited to these and by way of example, mention may be made, as fungicides which can be used with the phytosanitary composition according to the invention, of contact products belonging to the family of dithiocarbamates such as Mancozeb, systemic products of the family of strobilurins (Azoxystrobin, Pyraclostrobin, Trifloxystrobin), those of the carboximide family (fluoryram, izopyrazam), amines (Fenpropimorph, Tridemorph, Spiroxamine), Anilino-Pyrimidines (Pyrimethanil), succinate dehydrogenase inhibitors (Boscalid) and inhibitors demethylation of sterols (Difenoconazole, Epoxyconazole, Fenbuconazole, Propiconazole, Tebuconazole).
Sans se limiter à ceux-ci et à titre d'exemple, on peut citer comme insecticides utilisables avec la composition phytosanitaire selon l'invention, les produits systémiques de la famille des diamides anthraniliques (ex. Chlorantraniliprole), ceux de la famille des avermectines (ex. Abamectine), ceux de la famille des néonicotinoïdes (ex. Nitenpyram).
Sans se limiter à ceux-ci et à titre d'exemple, on peut citer comme fertilisants utilisables avec la composition phytosanitaire selon l'invention, les engrais hydroponiques (ex. acides humiques ou fulviques), les engrais Magnésiens (Magnéisim), le calcium. Without being limited to these and by way of example, mention may be made, as insecticides which can be used with the phytosanitary composition according to the invention, of the systemic products of the family of anthranilic diamides (eg Chlorantraniliprole), those of the family of avermectins (eg Abamectin), those of the neonicotinoid family (eg Nitenpyram). Without being limited to these and by way of example, mention may be made, as fertilizers which can be used with the phytosanitary composition according to the invention, of hydroponic fertilizers (eg humic or fulvic acids), magnesium fertilizers (Magnéisim), calcium .
Concentré émulsionnable Emulsifiable concentrate
De préférence le concentré émulsionnable comprend une teneur en composition phytosanitaire selon l'invention allant de 50 à 99 % en masse, avantageusement de 70 à 95% en masse, rapportée à la masse totale du concentré. Preferably, the emulsifiable concentrate comprises a content of phytosanitary composition according to the invention ranging from 50 to 99% by mass, advantageously from 70 to 95% by mass, relative to the total mass of the concentrate.
Parmi les autres composants du concentré émulsionnable on peut citer de façon non exhaustive : des tensio-actifs émulsionnants, des agents de stabilisation, des sels, des principes actifs phytosanitaires et éventuellement de l'eau. Among the other components of the emulsifiable concentrate, mention may be made, in a non-exhaustive manner, of: emulsifying surfactants, stabilizing agents, salts, phytosanitary active principles and optionally water.
Les tensio-actifs émulsionnants sont choisis pour permettre la formation d'une émulsion eau- dans-huile ou d'une émulsion huile-dans-eau, une dispersion ou une suspension de particules huileuses dans une phase aqueuse. The emulsifying surfactants are chosen to allow the formation of a water-in-oil emulsion or an oil-in-water emulsion, a dispersion or a suspension of oily particles in an aqueous phase.
Parmi les agents de stabilisation, on peut citer des polymères permettant la stabilisation de l'émulsion ou de la dispersion ou de la suspension. Among the stabilizing agents, mention may be made of polymers allowing the stabilization of the emulsion or of the dispersion or of the suspension.
Lorsqu'elle est présente, la phase aqueuse du concentré peut comprendre des sels, des principes actifs phytosanitaires hydrosolubles tels qu'ils ont été décrits ci-dessus. When it is present, the aqueous phase of the concentrate can comprise salts, water-soluble phytosanitary active principles as they have been described above.
Utilisation de la composition Use of composition
L'invention a encore pour objet l'utilisation de la composition phytosanitaire telle que définie ci-dessus pour la fertilisation ou pour le traitement curatif et/ou préventif des maladies cryptogamiques ou des maladies causées par des insectes des plantes. A further subject of the invention is the use of the phytosanitary composition as defined above for fertilization or for the curative and/or preventive treatment of cryptogamic diseases or diseases caused by plant insects.
Elle concerne également l'utilisation de la composition phytosanitaire décrite ci-dessus, préférentiellement une émulsion eau-dans-huile ou huile-dans-eau, pour la fertilisation ou pour le traitement curatif et/ou préventif des maladies cryptogamiques ou des maladies causées par des insectes des plantes. It also relates to the use of the phytosanitary composition described above, preferably a water-in-oil or oil-in-water emulsion, for fertilization or for the curative and/or preventive treatment of cryptogamic diseases or diseases caused by plant insects.
L'invention concerne plus particulièrement le traitement préventif et/ou curatif des maladies cryptogamiques ou causées par les insectes des plantes des régions tropicales et équatoriales. The invention relates more particularly to the preventive and/or curative treatment of cryptogamic diseases or diseases caused by insects of plants in tropical and equatorial regions.
L'invention concerne plus particulièrement le traitement préventif et/ou curatif des maladies cryptogamiques du bananier. The invention relates more particularly to the preventive and/or curative treatment of cryptogamic diseases of banana.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est utilisée conjointement avec un fertilisant mettant en oeuvre au moins un principe actif fertilisant. Dans ce cas
la composition phytosanitaire, a pour fonction de servir d'adjuvant au principe actif fertilisant et de renforcer son action de fertilisation. According to another preferred variant of the invention, the phytosanitary composition is used together with a fertilizer using at least one fertilizing active principle. In this case the phytosanitary composition has the function of serving as an adjuvant to the fertilizing active principle and of reinforcing its fertilizing action.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est utilisée conjointement avec un traitement insecticide mettant en oeuvre au moins un principe actif insecticide. Dans ce cas la composition phytosanitaire, a pour fonction de servir d'adjuvant au principe actif insecticide et de renforcer son action à l'encontre des maladies causées par les insectes. According to another preferred variant of the invention, the phytosanitary composition is used together with an insecticide treatment using at least one insecticidal active ingredient. In this case, the phytosanitary composition has the function of serving as an adjuvant to the insecticidal active ingredient and of reinforcing its action against diseases caused by insects.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est utilisée conjointement avec un traitement fongicide mettant en oeuvre au moins un principe actif fongicide. Dans ce cas la composition phytosanitaire, a pour fonction de servir d'adjuvant au principe actif fongicide et de renforcer son action à l'encontre des maladies cryptogamiques. According to another preferred variant of the invention, the phytosanitary composition is used together with a fungicidal treatment using at least one fungicidal active ingredient. In this case, the phytosanitary composition has the function of serving as an adjuvant to the fungicidal active ingredient and of reinforcing its action against cryptogamic diseases.
En fonction du mode d'administration de la composition de l'invention, notamment conjointement avec, ou en l'absence d'un fertilisant ou d'un traitement conjoint par un principe actif insecticide ou fongicide, les quantités et les fréquences d'administration sont adaptées par l'homme du métier. Depending on the mode of administration of the composition of the invention, in particular jointly with, or in the absence of a fertilizer or of a joint treatment with an insecticidal or fungicidal active principle, the quantities and the frequencies of administration are adapted by those skilled in the art.
Procédé de traitement phytosanitaire Phytosanitary treatment process
Enfin, l'invention couvre aussi un procédé de traitement phytosanitaire comprenant au moins une étape d'aspersion de la plante à traiter, de préférence par épandage ou par pulvérisation à l'aide d'un drone de la composition phytosanitaire selon l'invention sur les plantes à traiter. Le traitement est avantageusement appliqué sur les parties aériennes des plantes. Finally, the invention also covers a phytosanitary treatment method comprising at least one step of spraying the plant to be treated, preferably by spreading or by spraying using a drone of the phytosanitary composition according to the invention on the plants to be treated. The treatment is advantageously applied to the aerial parts of the plants.
Par traitement phytosanitaire on entend tout type de traitement applicable aux plantes dans le but de favoriser le développement des plantes et/ou de réduire le développement des maladies et des parasites. Phytosanitary treatment means any type of treatment applicable to plants with the aim of promoting plant development and/or reducing the development of diseases and parasites.
Avantageusement, le traitement phytosanitaire s'entend par la fertilisation, le traitement curatif et/ou préventif des maladies cryptogamiques ou le traitement curatif et/ou préventif des maladies causées par des insectes des plantes. Advantageously, the phytosanitary treatment means fertilization, the curative and/or preventive treatment of cryptogamic diseases or the curative and/or preventive treatment of diseases caused by plant insects.
Le taux de traitement est avantageusement de 0,5 à 20 litres d'huile phytosanitaire par hectare, de préférence de 1 à 15 litres d'huile phytosanitaire par hectare. En fonction de la dilution de la composition, la quantité de composition phytosanitaire pulvérisée, aspergée ou épandue est adaptée. The treatment rate is advantageously from 0.5 to 20 liters of phytosanitary oil per hectare, preferably from 1 to 15 liters of phytosanitary oil per hectare. Depending on the dilution of the composition, the quantity of phytosanitary composition sprayed, sprinkled or spread is adapted.
La stabilité de la composition phytosanitaire selon l'invention est avantageusement de plus de lOh, de préférence de plus de 24h. The stability of the phytosanitary composition according to the invention is advantageously more than 1 Oh, preferably more than 24 hours.
Le traitement est avantageusement répété à des intervalles de 6 à 9 jours, tout au long du cycle végétatif.
Selon une première variante de ce procédé, la composition phytosanitaire, est administrée seule dans le cadre de ce traitement. The treatment is advantageously repeated at intervals of 6 to 9 days, throughout the vegetative cycle. According to a first variant of this method, the phytosanitary composition is administered alone in the context of this treatment.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est administrée conjointement avec un traitement fertilisant mettant en oeuvre au moins un principe actif fertilisant. According to another preferred variant of the invention, the phytosanitary composition is administered together with a fertilizing treatment using at least one fertilizing active ingredient.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est administrée conjointement avec un traitement fongicide mettant en oeuvre au moins un principe actif fongicide. According to another preferred variant of the invention, the phytosanitary composition is administered together with a fungicidal treatment using at least one fungicidal active ingredient.
Selon une autre variante, préférée, de l'invention, la composition phytosanitaire, est administrée conjointement avec un traitement insecticide mettant en oeuvre au moins un principe actif insecticide. According to another preferred variant of the invention, the phytosanitary composition is administered together with an insecticide treatment using at least one insecticidal active ingredient.
Par conjointement on entend que le principe actif peut être dilué dans la composition de l'invention, mais aussi qu'il peut être administré dans une autre composition, qui est appliquée simultanément ou de façon alternée avec la composition de l'invention. By jointly is meant that the active principle can be diluted in the composition of the invention, but also that it can be administered in another composition, which is applied simultaneously or alternately with the composition of the invention.
EXEMPLES EXAMPLES
Dans la suite de la présente description, des exemples sont donnés à titre illustratif de la présente invention et ne visent en aucun cas à en limiter la portée. In the remainder of this description, examples are given by way of illustration of the present invention and are in no way intended to limit its scope.
Différents concentrés émulsionnables ont été évalués. L'objectif de cette évaluation est de caractériser d'une part la compatibilité entre les additifs et l'huile phytosanitaire et d'autre part la stabilité de l'émulsion conformément aux réglementations en vigueur. Different emulsifiable concentrates have been evaluated. The objective of this evaluation is to characterize on the one hand the compatibility between the additives and the phytosanitary oil and on the other hand the stability of the emulsion in accordance with the regulations in force.
Les concentrés émulsionnables A et B sont des huiles hydrocarbonées auxquels ont été rajoutés des additifs tels que décrits dans la présente invention. The emulsifiable concentrates A and B are hydrocarbon oils to which additives as described in the present invention have been added.
Le concentré émulsionnable C est une huile minérale additivée comparative utilisée pour la formulation de produits phytosanitaires commercialisée par la Demanderesse sous le nom commercial BANOLE EC. Cette composition, comprenant un adjuvant fongicide reconnu et des additifs, est utilisé contre la Cercosporiose du bananier, depuis de très nombreuses années. Elle est utilisée par les principaux producteurs, en Amérique Latine, aux Caraïbes, en Afrique et en Asie. The emulsifiable concentrate C is a comparative mineral oil with additives used for the formulation of phytosanitary products marketed by the Applicant under the trade name BANOLE EC. This composition, comprising a recognized fungicidal adjuvant and additives, has been used against banana Sigatoka for many years. It is used by the main producers in Latin America, the Caribbean, Africa and Asia.
Le concentré émulsionnable D est une huile minérale additivée comparative utilisée pour la formulation de produits phytosanitaires couramment retrouvés sur le marché sous le nom commercial EnSpray 99®. Cette composition est une huile de pulvérisation émulsionnable à plage étroite pour la lutte contre les acariens, les pucerons, les thrips, le tartre et l'oïdium. Emulsifiable concentrate D is a comparative mineral oil with additives used for the formulation of phytosanitary products commonly found on the market under the trade name EnSpray 99 ® . This composition is a narrow range emulsifiable spray oil for the control of mites, aphids, thrips, scale and powdery mildew.
Le tableau 1 donne les propriétés physico-chimiques de l'huile hydrocarbonée utilisée dans les concentrés émulsionnables A et B.
[Tableau 1]
Table 1 gives the physico-chemical properties of the hydrocarbon oil used in emulsifiable concentrates A and B. [Table 1]
Ci-dessous les caractéristiques de ces quatre concentrés émulsionnables. Les % sont donnés en masse par rapport à la masse totale des composants de l'émulsion. Below are the characteristics of these four emulsifiable concentrates. The % are given by mass relative to the total mass of the components of the emulsion.
Le concentré A comprend : Concentrate A includes:
88 % de l'huile hydrocarbonée Tl, 88% of the hydrocarbon oil T1,
3,0 % d'un acide oléique éthoxylé (éthoxylations : 1-3), 3.0% of an ethoxylated oleic acid (ethoxylations: 1-3),
3,0 % d'un trioléate de sorbitane, et 3.0% of a sorbitan trioleate, and
6,0 % isotridecanol éthoxylé (éthoxylations : 1-3). 6.0% ethoxylated isotridecanol (ethoxylations: 1-3).
Le concentré B comprend : Concentrate B includes:
90 % de l'huile hydrocarbonée Tl, 90% of the hydrocarbon oil T1,
2,5 % d'un acide oléique éthoxylé (éthoxylations : 1-3), 2.5% of an ethoxylated oleic acid (ethoxylations: 1-3),
2,5 % d'un monoléate de sorbitane, et 2.5% of a sorbitan monoleate, and
5,0 % isotridecanol éthoxylé (éthoxylations : 1-3). 5.0% ethoxylated isotridecanol (ethoxylations: 1-3).
Le concentré C comprend : Concentrate C includes:
97 % d'une huile hydrocarbonée, 97% of a hydrocarbon oil,
2,55 % d'un acide oléique éthoxylé, 2.55% of an ethoxylated oleic acid,
0,45 % d'un monooléate de sorbitane, et 0,10 % d'eau déminéralisé. 0.45% of a sorbitan monooleate, and 0.10% demineralised water.
Le concentré D comprend :
93,5 % d'une huile hydrocarbonée, Concentrate D includes: 93.5% of a hydrocarbon oil,
3% d'éthanol, 3% ethanol,
0,5% d'acide oléique, et 0.5% oleic acid, and
3 % de nonylphénol polyoxyethylene ether (NPEO). 3% nonylphenol polyoxyethylene ether (NPEO).
Evaluation des concentrés émulsionnables Evaluation of emulsifiable concentrates
La compatibilité entre les additifs et l'huile phytosanitaire a été évaluée pour les concentrés émulsionnables selon l'invention A et B. The compatibility between the additives and the phytosanitary oil was evaluated for the emulsifiable concentrates according to the invention A and B.
Évaluation de la compatibilité entre les additifs et l'huile phytosanitaire La compatibilité a été évaluée en observant l'aspect de l'huile mélangée avec les additifs. Dans le cas où le concentré présente un voile (trouble) ou des sédiments, des cristaux et une séparation entre deux phases, il est considéré que l'huile est incompatible avec les additifs. Evaluation of the compatibility between the additives and the phytosanitary oil The compatibility was evaluated by observing the appearance of the oil mixed with the additives. If the concentrate exhibits haze (cloudiness) or sediment, crystals and separation between two phases, the oil is considered to be incompatible with the additives.
Le tableau 2 montre les résultats de cette analyse de compatibilité pour ces deux concentrés selon l'invention. Table 2 shows the results of this compatibility analysis for these two concentrates according to the invention.
[Tableau 2]
[Table 2]
Les résultats de ces essais en laboratoire indiquent que ces trois concentrés selon l'invention démontrent une excellente compatibilité entre l'huile et les additifs. The results of these laboratory tests indicate that these three concentrates according to the invention demonstrate excellent compatibility between the oil and the additives.
Évaluation de la stabilité des concentrés émulsionnables Stability assessment of emulsifiable concentrates
Pour chacun des concentrés A à D, il a été évalué la stabilité de l'émulsion. For each of the concentrates A to D, the stability of the emulsion was evaluated.
2,5 ml de chaque concentré émulsionnable testé ont été pipetés dans un tube de 50 ml contenant 47,5 ml d'eau dure standardisée (342 ppm) pour obtenir une émulsion de 5,0%. Ces émulsions ont ensuite été mélangées pendant 20 secondes, puis placées sur un support. Afin d'évaluer la stabilité, la quantité de crème et d'huile sur la couche supérieure de l'émulsion a été mesurée à 4, 10 et 24 h après le mélange. 2.5 ml of each emulsifiable concentrate tested was pipetted into a 50 ml tube containing 47.5 ml of standardized hard water (342 ppm) to obtain a 5.0% emulsion. These emulsions were then mixed for 20 seconds and then placed on a support. In order to assess the stability, the amount of cream and oil on the top layer of the emulsion was measured at 4, 10 and 24 h after mixing.
Le tableau 3 montre les résultats de l'évaluation des quatre concentrés émulsionnables décrit ci-dessus.
[Tableau 3]
Table 3 shows the results of the evaluation of the four emulsifiable concentrates described above. [Table 3]
A 4h, les concentrés A et B selon l'invention présentent une excellente stabilité d'émulsion, sans que ni crème, ni huile ne soient observées. Cependant, 2,5 ml de crème sont observés pour le concentré C (BANOLE EC) et 1,5 ml de crème et 1,0 ml d'huile pour le concentré D (EnSpray 99®). At 4 h, concentrates A and B according to the invention exhibit excellent emulsion stability, without any cream or oil being observed. However, 2.5 ml of cream are observed for concentrate C (BANOLE EC) and 1.5 ml of cream and 1.0 ml of oil for concentrate D (EnSpray 99 ® ).
A lOh, il n'y a toujours pas de crème ni d'huile observées pour les deux concentrés émulsionnables A et B, démontrant ainsi la stabilité de ces émulsions pendant au moins lOh. Pour le concentré C le niveau de crème a augmenté pour passer à 3,5 ml. Concernant le concentré D, le niveau de crème est de 1 ml et le niveau d'huile est de 1,5 ml. At lOh, there is still no cream or oil observed for the two emulsifiable concentrates A and B, thus demonstrating the stability of these emulsions for at least lOh. For Concentrate C the level of cream has increased to 3.5 ml. For concentrate D, the cream level is 1ml and the oil level is 1.5ml.
Enfin à 24h, les concentrés A et B selon l'invention présentent de très bonnes performances en termes de stabilité d'émulsion avec seulement 0,5 ml de crème observé. Finally, at 24 h, concentrates A and B according to the invention exhibit very good performance in terms of emulsion stability with only 0.5 ml of cream observed.
Les résultats démontrent que les concentrés selon l'invention sont conformes aux exigences industrielles en termes de stabilité. Ceci démontre la capacité de ces concentrés à pouvoir être utilisée pour une émulsion dans le cadre d'une pulvérisation aérienne pour drone qui doit être stable pendant au moins lOh. Les concentrés selon l'invention démontrent une stabilité pouvant aller jusqu'à 24h. En comparaison les concentrés C et D utilisés dans la formulation de compositions phytosanitaires classiquement utilisées sur le marché présentent des signes d'instabilité dès les quatre premières heures. The results demonstrate that the concentrates according to the invention comply with industrial requirements in terms of stability. This demonstrates the ability of these concentrates to be used for an emulsion in the context of aerial spraying for drones which must be stable for at least lOh. The concentrates according to the invention demonstrate a stability of up to 24 hours. In comparison, the concentrates C and D used in the formulation of phytosanitary compositions conventionally used on the market show signs of instability from the first four hours.
Compositions phytosanitaires Phytosanitary compositions
Une étude a été réalisée afin d'évaluer la capacité des compositions phytosanitaires selon l'invention à être utilisées dans le cadre d'une pulvérisation aérienne à l'aide d'un drone. La
phytosécurité a également été évaluée pour ces compositions dans le cadre d'un traitement phytosanitaire par pulvérisation aérienne à l'aide d'un drone. A study was carried out in order to evaluate the ability of the phytosanitary compositions according to the invention to be used in the context of aerial spraying using a drone. The Phytosecurity was also assessed for these compositions in the context of phytosanitary treatment by aerial spraying using a drone.
Le concentré émulsionné exemplifié comprend : The emulsified concentrate exemplified comprises:
88 % d'une huile hydrocarbonée Tl, 88% of a hydrocarbon oil T1,
3,0 % d'un acide oléique éthoxylé (éthoxylations : 1-3), 3.0% of an ethoxylated oleic acid (ethoxylations: 1-3),
3,0 % d'un trioléate de sorbitane, et 3.0% of a sorbitan trioleate, and
6,0 % isotridecanol éthoxylé (éthoxylations : 1-3). 6.0% ethoxylated isotridecanol (ethoxylations: 1-3).
Les produits agrochimiques utilisés pour l'évaluation de la composition phytosanitaire selon l'invention sont un fertilisant (engrais pour feuillage), un fongicide et un insecticide, énumérés ci- dessous : o Fertilisant : Calcium et Magnésium o Fongicide : Difénoconazole, 5,0% ULV o Insecticide : Chlorantraniliprole, 5,0% ULV The agrochemicals used for the evaluation of the phytosanitary composition according to the invention are a fertilizer (foliage fertilizer), a fungicide and an insecticide, listed below: o Fertilizer: Calcium and Magnesium o Fungicide: Difenoconazole, 5.0 % ULV o Insecticide: Chlorantraniliprole, 5.0% ULV
(ULV: formulation Ultra-Low Volume spécifique pour le traitement par pulvérisation aérienne à l'aide d'un drone). (ULV: Ultra-Low Volume formulation specific for aerial spray treatment using a drone).
Le fongicide et le l'insecticide utilisés pour le test ont été fabriqués et fournis par Tianyuan Biochemical Co., Ltd, le fertilisant a été acheté sur le marché. The fungicide and insecticide used for the test were manufactured and supplied by Tianyuan Biochemical Co., Ltd. The fertilizer was purchased from the market.
Les plantes utilisées pour cette étude sont les suivantes : le manguier (Manglifera indica L), la vigne (Vitis vinifera L.), l'aubergine (Solanum melongena L.), le mandarinier (Citrus reticulata), le riz (Oryza sativa L.), le troène luisant ( Ligustrum lucidum) The plants used for this study are the following: mango tree (Manglifera indica L), vine (Vitis vinifera L.), eggplant (Solanum melongena L.), mandarin tree (Citrus reticulata), rice (Oryza sativa L. .), shiny privet (Ligustrum lucidum)
Les plantes ont été cultivées dans des serres dans une banlieue proche de Nanning de la capitale du Guangxi. The plants were grown in greenhouses in a nearby Nanning suburb of Guangxi's capital.
Pour chacune des compositions phytosanitaires testées, 50 ml de concentré émulsionné ont été dilués dans 950 ml d'eau pour obtenir une émulsion aqueuse à 5,0% de l'adjuvant. Ensuite, le produit agrochimique a été ajoutée à l'émulsion et mélangé soigneusement pour obtenir une composition phytosanitaire selon l'invention avant le traitement par pulvérisation à l'aide d'un drone. 1 litre de produit agrochimique a été ajouté pour 15 hectares de parcelle traitées. For each of the phytosanitary compositions tested, 50 ml of emulsified concentrate were diluted in 950 ml of water to obtain an aqueous emulsion containing 5.0% of the adjuvant. Then, the agrochemical was added to the emulsion and mixed thoroughly to obtain a phytosanitary composition according to the invention before the spray treatment using a drone. 1 liter of agrochemical product was added for 15 hectares of plot treated.
Les traitements par pulvérisation ont été effectués dans un laboratoire en utilisant un système de simulation de pulvérisation aérienne par drone. Le système, qui a été spécialement conçu pour
simuler le comportement de la pulvérisation de drone dans des conditions de terrain, a été utilisé par le fabricant dans des essais biologiques de formulations ULV (Ultra Low Volume). Spray treatments were carried out in a laboratory using a drone aerial spray simulation system. The system, which was specially designed to simulating drone spray behavior under field conditions, has been used by the manufacturer in bioassays of ULV (Ultra Low Volume) formulations.
Les plantes en pot ont été traitées avec une quantité déterminée de composition phytosanitaire pour obtenir un dépôt de pulvérisation similaire dans les conditions du champ. Après les pulvérisations, les plantes et les cultures ont été ramenées sous serre pour des évaluations de la phytotoxicité. Potted plants were treated with a set amount of crop protection compound to achieve a similar spray deposit under field conditions. After the sprays, the plants and crops were taken back to the greenhouse for phytotoxicity evaluations.
Dix pots pour chaque plante ont été soumis à ces essais biologiques, 5 feuilles sur chaque pot étant sélectionnées au hasard et étiquetées pour l'évaluation de la phytotoxicité à 3 jours et à 7 jours après traitement et à 7 jours après traitement pour l'évaluation de la croissance des plantes et cultures traitées. Les symptômes de phytotoxicité observés peuvent être des taches d'huile, une décoloration, des taches noires et des brûlures sur les feuilles. Ten pots for each plant were subjected to these bioassays, with 5 leaves from each pot being randomly selected and labeled for phytotoxicity assessment at 3 days and 7 days post-treatment and at 7 days post-treatment for evaluation. growth of treated plants and crops. Symptoms of phytotoxicity observed may be oil spots, discoloration, black spots and leaf burns.
Le tableau 4 montre les résultats de l'analyse de phytotoxicité à 3 jours et à 7 jours après traitement pour le fertilisant, le fongicide et l'insecticide. Table 4 shows the results of the phytotoxicity analysis at 3 days and 7 days after treatment for the fertilizer, the fungicide and the insecticide.
[Tableau 4]
Les résultats de cette évaluation de phytotoxicité à 3 jours et à 7 jours après traitement indiquent que pour le fertilisant et l'insecticide testés, la composition phytosanitaire n'est phytotoxique pour aucune des plantes évaluées. Concernant le fongicide, aucun symptôme n'apparait pour le manguier, la vigne, l'aubergine et le riz. Le traitement avec fongicide provoque une légère brulure sur les feuilles du mandarinier et un léger noircissement sur les feuilles du Troène luisant. Ce type de symptôme est classiquement retrouvé dans le cadre de traitements avec fongicide. [Table 4] The results of this phytotoxicity evaluation at 3 days and at 7 days after treatment indicate that for the fertilizer and the insecticide tested, the phytosanitary composition is not phytotoxic for any of the plants evaluated. Concerning the fungicide, no symptoms appear for the mango tree, the vine, the eggplant and the rice. Treatment with fungicide causes slight burning on mandarin leaves and slight blackening on glossy privet leaves. This type of symptom is classically found in the context of treatments with fungicide.
L'observation de la nouvelle croissance des plantes pulvérisées, à 7 jours après le traitement, a montré que tous les méristèmes et les nouvelles pousses de rinçage étaient normaux, ce qui ne suggère aucun impact sur la croissance de la composition phytosanitaire selon l'invention. Observation of the new growth of the sprayed plants, 7 days after the treatment, showed that all the meristems and the new flushing shoots were normal, which does not suggest any impact on the growth of the phytosanitary composition according to the invention. .
Ainsi l'ensemble de ces essais démontrent que les compositions selon l'invention présentent d'excellentes propriétés de stabilité sans présenter de risque phytotoxique ni d'impact sur la croissance pour les plantes traitées dans le cadre d'un traitement phytosanitaire par pulvérisation à l'aide d'un drone.
Thus all of these tests demonstrate that the compositions according to the invention have excellent stability properties without presenting any phytotoxic risk or impact on growth for the plants treated as part of a phytosanitary treatment by spraying with water. using a drone.
Claims
1. Composition phytosanitaire comprenant au moins : une coupe hydrocarbonée paraffinique qui comprend des isoparaffines, des paraffines normales et des naphtènes, un acide oléique alcoxylé, un ester de sorbitane, et un isotridecanol alcoxylé. 1. Phytosanitary composition comprising at least: a paraffinic hydrocarbon cut which comprises isoparaffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester, and an alkoxylated isotridecanol.
2. Composition phytosanitaire selon la revendication 1, dans laquelle la coupe hydrocarbonée comprend une teneur en poids de composés naphténiques allant de 15 à 45 %, encore plus préférentiellement de 35 à 40 % par rapport au poids total de la coupe hydrocarbonée. 2. Phytosanitary composition according to claim 1, in which the hydrocarbon cut comprises a content by weight of naphthenic compounds ranging from 15 to 45%, even more preferably from 35 to 40% relative to the total weight of the hydrocarbon cut.
3. Composition phytosanitaire selon l'une quelconque des revendications précédentes, dans laquelle la coupe hydrocarbonée comprend une teneur en poids de paraffines normales inférieure ou égale à 5% et préférentiellement inférieure ou égale à 2% par rapport au poids total de la coupe hydrocarbonée. 3. Phytosanitary composition according to any one of the preceding claims, in which the hydrocarbon cut comprises a content by weight of normal paraffins less than or equal to 5% and preferably less than or equal to 2% relative to the total weight of the hydrocarbon cut.
4. Composition phytosanitaire selon l'une quelconque des revendications précédentes, dans laquelle les paraffines normales de la coupe hydrocarbonée comprennent de 15 à 30 atomes de carbone, préférentiellement de 16 à 27 atomes de carbone, plus préférentiellement de 17 à 25 atomes de carbone, encore plus préférentiellement de 18 à 22 atomes de carbone. 4. Phytosanitary composition according to any one of the preceding claims, in which the normal paraffins of the hydrocarbon cut comprise from 15 to 30 carbon atoms, preferably from 16 to 27 carbon atoms, more preferably from 17 to 25 carbon atoms, even more preferably from 18 to 22 carbon atoms.
5. Composition phytosanitaire selon l'une quelconque des revendications précédentes, dans laquelle la coupe hydrocarbonée comprend une teneur en poids de résidus insulfonables supérieure ou égale à 92 %, de préférence supérieure ou égale à 95 %, préférentiellement supérieure ou égale à 99 % par rapport au poids total de la coupe hydrocarbonée. 5. Phytosanitary composition according to any one of the preceding claims, in which the hydrocarbon fraction comprises a content by weight of unsulfonable residues greater than or equal to 92%, preferably greater than or equal to 95%, preferably greater than or equal to 99% per relative to the total weight of the hydrocarbon cut.
6. Composition phytosanitaire selon l'une quelconque des revendications précédentes, dans laquelle la coupe hydrocarbonée présente un point initial d'ébullition et un point final d'ébullition dans la gamme allant de 250 à 400 °C, de préférence de 260 à 390 °C et préférentiellement de 305 à 350 °C selon la norme ASTM D86
6. Phytosanitary composition according to any one of the preceding claims, in which the hydrocarbon fraction has an initial boiling point and a final boiling point in the range going from 250 to 400°C, preferably from 260 to 390°C. C and preferably from 305 to 350°C according to the ASTM D86 standard
7. Composition phytosanitaire selon l'une quelconque des revendications 1 à 6, dans laquelle la coupe hydrocarbonée a une viscosité cinématique à 40°C allant de 6 à 13 mm2/s, préférentiellement de 6 à 12 mm2/s et plus préférentiellement de 6 à 8 mm2/s selon la norme7. Phytosanitary composition according to any one of claims 1 to 6, in which the hydrocarbon fraction has a kinematic viscosity at 40° C. ranging from 6 to 13 mm 2 /s, preferentially from 6 to 12 mm 2 /s and more preferentially from 6 to 8 mm 2 /s according to the standard
ASTM D445. ASTM D445.
8. Composition phytosanitaire selon l'une quelconque des revendications 1 à 7, dans laquelle la coupe hydrocarbonée a un point d'écoulement supérieur ou égal à -63 °C, de préférence supérieur ou égal à -50 °C et préférentiellement supérieur ou égal à -43 °C selon la norme ASTM D97. 8. Phytosanitary composition according to any one of claims 1 to 7, in which the hydrocarbon cut has a pour point greater than or equal to -63°C, preferably greater than or equal to -50°C and preferably greater than or equal to at -43°C according to ASTM D97.
9. Composition phytosanitaire selon l'une quelconque des revendications précédentes, dans laquelle la coupe hydrocarbonée représente une quantité allant de 1 à 99 % en poids par rapport au poids total de la composition phytosanitaire. 9. Phytosanitary composition according to any one of the preceding claims, in which the hydrocarbon fraction represents an amount ranging from 1 to 99% by weight relative to the total weight of the phytosanitary composition.
10. Composition phytosanitaire selon l'une quelconque des revendications précédentes qui est sous forme d'une émulsion huile-dans-eau ou d'une émulsion eau-dans-huile. 10. Phytosanitary composition according to any one of the preceding claims which is in the form of an oil-in-water emulsion or a water-in-oil emulsion.
11. Utilisation pour le traitement phytosanitaire de végétaux d'une composition comprenant au moins une coupe hydrocarbonée paraffinique qui comprend des iso paraffines, des paraffines normales et des naphtènes, un acide oléique alcoxylé, un ester de sorbitane et un isotridecanol alcoxylé. 11. Use for the phytosanitary treatment of plants of a composition comprising at least one paraffinic hydrocarbon cut which comprises iso-paraffins, normal paraffins and naphthenes, an alkoxylated oleic acid, a sorbitan ester and an alkoxylated isotridecanol.
12. Utilisation selon la revendication 11, dans laquelle la composition est appliquée par aspersion sur les cultures, notamment par pulvérisation ou épandage à l'aide d'un drone. 12. Use according to claim 11, in which the composition is applied by spraying on the crops, in particular by spraying or spreading using a drone.
13. Utilisation selon la revendication 11 ou 12, dans laquelle la coupe hydrocarbonée est formulée sous forme d'une émulsion huile-dans-eau ou d'une émulsion eau-dans-huile. 13. Use according to claim 11 or 12, in which the hydrocarbon cut is formulated in the form of an oil-in-water emulsion or a water-in-oil emulsion.
14. Utilisation selon l'une quelconque des revendications 11 à 13, pour le traitement préventif et/ou curatif de maladies choisies parmi des maladies cryptogamiques des plantes, des maladies des plantes causées par les insectes. 14. Use according to any one of claims 11 to 13, for the preventive and/or curative treatment of diseases chosen from fungal plant diseases, plant diseases caused by insects.
15. Utilisation selon l'une quelconque des revendications 11 à 13, pour la fertilisation des plantes.
15. Use according to any one of claims 11 to 13, for the fertilization of plants.
16. Procédé de traitement phytosanitaire de cultures comprenant au moins une étape d'application, de préférence par aspersion, pulvérisation ou épandage à l'aide d'un drone de la composition phytosanitaire selon l'une quelconque des revendications 1 à 10. 16. Process for the phytosanitary treatment of crops comprising at least one step of applying, preferably by sprinkling, spraying or spreading using a drone, the phytosanitary composition according to any one of claims 1 to 10.
17. Procédé selon la revendication 16, qui comprend en outre l'application conjointe d'au moins un principe actif choisi parmi un principe actif fongicide, un principe actif insecticide, un principe actif fertilisant.
17. Method according to claim 16, which further comprises the joint application of at least one active principle chosen from a fungicidal active principle, an insecticidal active principle, a fertilizing active principle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2107054A FR3124686A1 (en) | 2021-06-30 | 2021-06-30 | PARAFFINIC PHYTOSANITARY OIL COMPOSITION |
| PCT/EP2022/067753 WO2023275061A1 (en) | 2021-06-30 | 2022-06-28 | Paraffinic phytosanitary oil composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4362677A1 true EP4362677A1 (en) | 2024-05-08 |
Family
ID=77021610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22738630.7A Pending EP4362677A1 (en) | 2021-06-30 | 2022-06-28 | Paraffinic phytosanitary oil composition |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4362677A1 (en) |
| CN (1) | CN118055698A (en) |
| BR (1) | BR112023027262A2 (en) |
| FR (1) | FR3124686A1 (en) |
| WO (1) | WO2023275061A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3143952A1 (en) * | 2022-12-23 | 2024-06-28 | Totalenergies Onetech | ADJUVANT AND ACTIVE INGREDIENT FOR PHYTOSANITARY FORMULATIONS AND PHYTOSANITARY FORMULATIONS |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003209861A1 (en) | 2002-03-01 | 2003-09-16 | Realco 2001 S.A. | Method for fighting against plant diseases by inhibiting extracellular enzymes of contaminating micro-organisms |
| KR20060126549A (en) | 2004-02-05 | 2006-12-07 | 디에스엠 아이피 어셋츠 비.브이. | Polyene antibiotic for controlling fungal growth in banana crops |
| FR2953369B1 (en) | 2009-12-07 | 2016-02-05 | Total Raffinage Marketing | EMULSIFIABLE CONCENTRATE FOR PHYTOSANITARY COMPOSITION, EMULSIFIABLE CONCENTRATE AND PHYTOSANITARY FILM |
| FR2984690B1 (en) | 2011-12-22 | 2014-04-11 | Total Raffinage Marketing | USE OF A VAPORIZABLE COMPOSITION FOR THE PROTECTION OF CULTIVATED PLANTS AGAINST PESTS |
| FR3050096B1 (en) * | 2016-04-15 | 2018-04-27 | Total Marketing Services | PARAFFINIC PHYTOSANITARY OIL COMPOSITION |
-
2021
- 2021-06-30 FR FR2107054A patent/FR3124686A1/en active Pending
-
2022
- 2022-06-28 WO PCT/EP2022/067753 patent/WO2023275061A1/en active Application Filing
- 2022-06-28 EP EP22738630.7A patent/EP4362677A1/en active Pending
- 2022-06-28 CN CN202280045623.3A patent/CN118055698A/en active Pending
- 2022-06-28 BR BR112023027262A patent/BR112023027262A2/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023275061A1 (en) | 2023-01-05 |
| CN118055698A (en) | 2024-05-17 |
| BR112023027262A2 (en) | 2024-03-12 |
| FR3124686A1 (en) | 2023-01-06 |
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