WO2010102102A1 - Compatibilized electrolyte formulations - Google Patents
Compatibilized electrolyte formulations Download PDFInfo
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- WO2010102102A1 WO2010102102A1 PCT/US2010/026202 US2010026202W WO2010102102A1 WO 2010102102 A1 WO2010102102 A1 WO 2010102102A1 US 2010026202 W US2010026202 W US 2010026202W WO 2010102102 A1 WO2010102102 A1 WO 2010102102A1
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- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
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- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
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- 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
Definitions
- the present invention relates to aqueous formulations comprising at least two water-soluble electrolytic pesticides at an increased concentration, to the preparation of such formulations using at least one alkyl polyglycoside, and to methods of using such formulations to control unwanted pests.
- Crop protection agents are often administered in the form of aqueous systems.
- water-based formulations may be obtained by dissolving, emulsifying and/or suspending pesticidally active ingredients in water prior to application.
- active ingredients are often converted into water-soluble salts by reacting them with a suitable base such as alkali or alkaline-earth metals or water-soluble amines, for example.
- Tank mixing typically, two or more concentrated formulations are dissolved, emulsified and/or suspended in a larger volume of a suitable carrier, for example, water.
- a suitable carrier for example, water.
- at least two fungicides, at least two herbicides, or at least two insecticides may be tank mixed.
- Tank mixes are useful, for example, for control or suppression of a broad spectrum of plant pathogens and for control or suppression of plant pathogens exhibiting resistance or tolerance to a particular pesticide. Tank mixing, however, can often be problematic.
- Tank mixing can increase the amount of adjuvants present in the tank, and/or can increase the effects the adjuvant from one product may have on the activity of the active ingredient of another product.
- tank mixes of different pesticide concentrates can lead to performance issues, such as increased phytotoxicity to the non-target vegetation, e.g. crops, turf or other desirable plants.
- tank mixing can lead to compatibility problems. For example, even at low concentrations, tank mixes of two or more water soluble, electrolytic pesticides, can result in compatibility problems.
- formulation compatibility is even more likely to be negatively impacted.
- phase separation, formation of solid precipitates, or other formulation failures can occur.
- phase separation, formation of solid precipitates, or other mixing problems can occur.
- tank mixing may result in crop phytotoxicity and/or pesticide antagonism or reduced efficacy.
- some commercial mixes may formulate initially, but are not suitable for storage and transport.
- compatibilized formulations comprising at least two electrolytic pesticides and at least one alkyl polyglycoside ("APG") could be prepared at significantly higher concentrations than previously possible.
- APG alkyl polyglycoside
- Formulations of the instant invention are thus useful as premixes or formulations configured to be diluted to create other application concentrations.
- Formulations of the instant invention are particularly useful as concentrated premixes. Premixes can be readily formulated with minimal risk of active ingredient incompatibility or antagonism, providing improvements in storage, transport, and application.
- Formulations of the invention are also particularly useful as components in storage and transport systems.
- diluted application concentrations formed from premix formulations of the invention are readily prepared with minimal risk of phase separation, precipitation, or antagonism. Further improvements in crop safety compared to tank mixes while maintaining pest, e.g. weed, control are exhibited.
- the invention includes methods for increasing the compatibilized concentration of an electrolytic pesticide mixture (EPM) in an aqueous solution.
- the EPM comprises at least a first electrolytic pesticide and a second electrolytic pesticide.
- the method comprises adding about 30 to about 300 g/L of at least one alkyl polyglycoside (APG).
- APG alkyl polyglycoside
- methods of the invention allow EPM concentrations to be increased to at least about 85 g a.e./L. More typically, EPM concentrations will be increased to about 100 g a.e./L to about 600 g a.e./L or higher.
- the amounts of EPM are provided on an acid equivalent (a.e.) basis. Concentration is given in weight /volume %, typically as g a.e./L or g/L.
- the invention includes methods of forming a compatibilized concentration of an EPM in an aqueous solution.
- the method comprises adding to a volume of water, about 30 to about 300 g/L of at least one APG; about 75 to about 500 g a.e./L of a first electrolytic pesticide; and about 10 to about 400 g a.e./L of a second electrolytic pesticide.
- the invention includes compatibilized aqueous pesticidal formulations.
- the formulation comprises about 30 to about 300 of at least one APG, and about 85 to about 600 g a.e./L of an electrolytic pesticide mixture (EPM) comprising at least a first electrolytic pesticide and a second electrolytic pesticide.
- EPM electrolytic pesticide mixture
- the invention includes compatibilized formulations that are apparent based on their compatibilized concentration increase relative to a reference mixture.
- the compatibilized formulation comprises about 30 to about 300 g/L of at least one alkyl polyglycoside and about 85 to about 600 g a.e./L of an EPM at a given ratio.
- the formulation's EPM concentration at a given ratio is higher than the maximum compatibilized concentration of a similarly formulated reference mixture consisting of the EPM and all other formulation components with the exception that the APG in the formulation of the invention is replaced with an equal amount of water in the reference mixture.
- the invention's EPM concentration is at least 5% higher than the maximum compatible concentration of the reference mixture.
- a test for determining the maximum compatibilized concentration of the reference mixture is set forth in the detailed description below.
- the invention includes storage and shipping systems.
- the system comprises a container having a capacity of about 0.1 L to about 200 L.
- a compatibilized pesticidal formulation according to the invention is substantially filling the container.
- the invention includes methods of inhibiting at least one pest in a crop area.
- the method comprises applying a compatibilized formulation according to the invention to the crop area.
- formulations of the instant invention are particularly useful as premixes to be diluted to create other application concentrations.
- Methods of the invention are also particularly useful for preparing compatibilized pesticide formulations.
- Acid equivalent or "a.e.”, as used herein, means the theoretical yield of parent acid from a pesticidal active ingredient that has been formulated as a derivative (e.g. a salt, and esters, or an amine).
- APG refers to at least one alkyl polyglycoside.
- EPM electrolytic pesticide mixture
- compositions which do not exhibit phase separation under certain conditions means compositions which do not exhibit phase separation under certain conditions. For example, compositions not exhibiting phase separation when stored at 25 0 C for one week. Preferably compositions do not exhibit phase separation when stored at 25 0 C for one week and do not form crystals of the active herbicidal ingredient when stored at -5 0 C for 24 hours. Cloud Point, as described herein, can also be used to demonstrate high temperature storage stability.
- Electrolytic means capable of creating an aqueous solution containing free ions that behaves as an electrically conductive medium.
- Water-soluble means having a solubility in deionized water at 20 0 C sufficient to enable the water-soluble agrochemical electrolyte to be dissolved completely in the aqueous phase of a composition of the invention at the desired concentration.
- Preferred water-soluble active ingredients useful in the present invention have a solubility in deionized water at 20 0 C of not less than about 10,000 mg/1, more preferably not less than about 100,000 mg/1.
- an active ingredient compound is referred to herein as being water-soluble, but the compound itself is known not to be water-soluble, it will be understood that the reference applies to water-soluble derivatives, more particularly water-soluble salts, of the compound.
- the invention includes methods for increasing the compatibilized concentration of an electrolytic pesticide mixture (EPM) in an aqueous solution.
- EPM electrolytic pesticide mixture
- the EPM usually comprises at least a first electrolytic pesticide and a second electrolytic pesticide, and in some embodiments, it may include additional electrolytic pesticides, e.g., a third, fourth, fifth, or sixth, for example.
- the method comprises adding at least one APG in an amount sufficient to increase the compatibilized concentration of the EPM.
- Typical APG amounts useful for increasing the compatibilized concentration are about 30 to about 300 g/L. More typically, APG is added at about 4% to about 20%.
- the EPM concentration is increased by at least about 1O g a.e./L, preferably by at least 50 g a.e./L above the EPM concentration of a reference mixture not containing APG.
- the increase in EPM concentration is much greater, for example, in some embodiments, the EPM concentration is at least twice the EPM concentration of the reference mixture.
- Electrolytic pesticides in the EPM are inclusive of electrolytic herbicides, electrolytic fungicides, and electrolytic insecticides.
- the pesticides in the EPM will include pesticides chosen from a water-soluble salt of acifluorfen, acrolein, aminopyralid, amitrole, asulam, benazolin, bentazone, bialaphos, bromacil, bromoxynil-potassium, chloramben, chloroacetic acid, clopyralid, 2,4-D, 2,4-DB, dalapon, dicamba, dichlorprop difenzoquat, endothall, fenac, fenoxaprop, flamprop, flumiclorac, fluoroglycofen, flupropanate, fomesafen, fosamine, glufosinate, glyphosate, imidazolinones such as imazameth, imazamethabenz, imazamox, imazapic, imazapyr
- Phenoxy-type herbicides are salt-forming herbicides having a mode of action and/or selectivity towards broadleaved plant species that is characteristic of phenoxy herbicides or similar thereto and include phenoxy herbicides.
- Phenoxy herbicides are salt-forming herbicides that include without limitation phenoxyacetic acids such as 4-CPA; 2,4-D; 3,4-DA; MCPA and 2,4,5-T; phenoxypropanoic acids such as cloprop; 4-CPP; dichlorprop; 3,4-DP; fenoprop and mecoprop; and phenoxybutanoic acids such as 4-CPB; 2,4-DB; 3,4-DB; MCPB and 2,4,5-TB; including enantiomers (e.g., dichlorprop-P and mecoprop-P) as well as racemates thereof.
- phenoxyacetic acids such as 4-CPA; 2,4-D; 3,4-DA; MCPA and 2,4,5-T
- phenoxypropanoic acids such as
- Salt-forming herbicides that are not phenoxy herbicides in a strict sense but fall within the above definition of 'phenoxy-type' herbicides include without limitation benzoic acids such as chloramben; dicamba; 2,3,6-TBA and tricamba; picolinic acids such as aminopyralid; clopyralid and picloram; and pyridinyloxyacetic acids such as triclopyr; including enantiomers as well as racemates thereof.
- Phenoxy-type herbicides in the form of any agriculturally acceptable salt thereof including potassium, sodium, ammonium and organic ammonium (more particularly low molecular weight organic ammonium) salts can be used in the present invention.
- Low molecular weight organic ammonium salts include without limitation methylammonium, dimethylammonium, diglycolammonium, propylammonium (n-propylammonium and isopropylammonium), mono-, di- and triethanolammonium salts.
- Typical electrolytes include glyphosate (N-phosphonomethylglycine), which is commonly used in the form of its water-soluble salts such as potassium, trimethylsulphonium, isopropylamine, sodium, ammonium, diammonium, dimethylamine and triethanolamine salts including mixtures of two or more of these salts, fomesafen which is commonly used in the form of its water-soluble sodium salt, glufosinate which is commonly used in the form of its water-soluble ammonium salt, dicamba which is commonly used in the form of its diglycolamine, dimethlyammonium, isopropylamine, potassium or sodium salts, and bentazone which is commonly used in the form of its sodium salt.
- glyphosate N-phosphonomethylglycine
- water-soluble salts such as potassium, trimethylsulphonium, isopropylamine, sodium, ammonium, diammonium, dimethylamine and triethanolamine salts including mixtures of two or more of these salts
- pesticides may be converted into water-soluble salts by reacting them with a suitable base such as alkali or alkaline-earth metals or water-soluble amines.
- Salts of the pesticidally active ingredients are relatively easy to manufacture, generally requiring only mixing of the appropriate active acid and a chosen base.
- Typical salt forms include potassium, trimethylsulphonium, isopropylamine, sodium, dimethylamine, triethanolamine, diammonium and ammonium.
- Exemplary salts include, for example, glyphosate-diammonium, glyphosate- potassium, glyphosate-isopropylamine, glufosinate-ammonium, dicamba-diglycolamine, dicamba-sodium, dicamba-potassium, dicamba-dimethylammonium, bentazone-sodium, and fomesafen-sodium.
- the alkyl polyglycoside (APG) has formula (I): RiO(R 2 O) b (Z) a (I)
- R 1 is a straight or branched chain alkyl or alkenyl group having from about 4 to about 30 carbon atoms.
- R 1 is typically a straight or branched chain C 4 _ 22 alkyl or alkenyl group, more typically a C 8- ii alkyl group.
- R 2 is an alkylene having from about 2 to about 4 carbon atoms.
- R 2 is typically ethylene or propylene, more preferably ethylene
- b is 0 to about 100.
- b is preferably 0 to about 12, more preferably 0.
- Z is a saccharide residue having about 5 to about 6 carbon atoms.
- Z may be glucose, mannose, fructose, galasctose, talose, gulose, altrose, allose, apiose, gallose, idose, ribose, arabinose, xylose, lyxose, or a mixture thereof.
- Z is typically glucose, 'a' is an integer from 1 to about 6, preferably from 1 to about 3, more preferably from 1 to about 2.
- Typical compounds of formula (I) are compounds of formula (II):
- n is the degree of polymerization and is from 1 to 3, preferably about 1 to about 2
- R 5 is a branched or straight chain alkyl group having from 4 to 18 carbon atoms or a mixture of alkyl groups having from 4 to 18 carbon atoms.
- the alkyl polyglycoside comprises an alkyl group containing 8-10 carbon atoms and has an average degree of polymerization of 1.7; an alkyl group containing 9-11 carbon atoms and has an average degree of polymerization of 1.3 to 1.6; or a mixture thereof.
- APG also includes embodiments, such as those described above, which have been anionically or cationically modified.
- alkyl polyglycosides include APG® 325 (Cognis Corporation, Cincinnati, OH) (an alkyl polyglycoside in which the alkyl group contains 9 to 11 carbon atoms and has an average degree of polymerization of 1.6), PLANT AREN® 2000 (Cognis Corporation, Cincinnati, OH) (an alkyl polyglycoside in which the alkyl group contains 8 to 16 carbon atoms and has an average degree of polymerization of 1.4), PLANT AREN® 1300 (Cognis Corporation,
- the method may further comprise adding, by mass / volume %, about 1% to about 15% of a hydrotrope
- Typical hydrotropes include salts of xylene sulphonic acid, salts of cumene sulphonic acid or salts of toluene sulphonic acid. More typically, the hydrotrope will be sodium xylene sulphonate (SXS).
- SXS sodium xylene sulphonate
- hydrotropes may be desirable to further increase concentration loading. Additionally, hydrotropes may also be desirable for lowering viscosity for improved handling, dilution, and application.
- the formulations may include other components such as adjuvants, surfactants, solvents, antisettling agents, antifreeze agents, antifoam agents, preservatives and sequestrants.
- Suitable surfactants include those known in the art, for example, anionic surfactants such as alkybenzene sulfonates, alkyl naphthalene sulfonates, alcohol sulfonates, ether sulfates, alkyl sulfosuccinates, sulfonated naphthalene/formaldehyde condensates, lignosulfonates, polycarboxylates, olefin sulfonates, phosphate ethoxylates, tristyrylphenol phosphates and sulfates and taurates; non-ionic surfactants such as alkylphenol ethoxylates, tristyrylphenol ethoxylates, alcohol ethoxylates, alkyl ester ethoxylates, aliphatic acid ethoxylates, sorbitan esters and ethoxylates, castor oil ethoxylates, amine e
- inventions include methods of forming a compatibilized concentration of an EPM in an aqueous solution.
- the method comprises adding to a volume of water about 30 to about 300 g/L of at least one APG; about 75 to about 50O g a.e/L of a first electrolytic pesticide; and about 10 to about 400 g a.e./L of a second electrolytic pesticide.
- the first electrolytic pesticide is added at an amount chosen from about 100, 125, 150, 175, 200, 225, 250, 275 and 300 g a.e./L to about 500 g a.e./L.
- the second electrolytic pesticide is typically added at an amount chosen from about 10, 25, 50, 75, 100, 125 and 150 g a.e./L to about 400 g a.e./L. Most typically, the first electrolytic pesticide is added at about 125 to about 400 g a.e./L and the second electrolytic pesticide is added at about 25 to about 400 g a.e./L.
- the EPM and APG are as described above.
- the formulation comprises about 30 to about 300 g/L of at least one APG, and about 85 to about 600 g a.e./L of an EPM comprising at least a first electrolytic pesticide and a second electrolytic pesticide.
- the EPM is present at about 125 to about 500 g a.e./L, at about 150 to about 500 g a.e./L, at about 175 to about 500 g a.e./L, at about 200 to about 500 g a.e./L, and at about 250 to about 500 g a.e./L.
- the invention includes a compatibilized aqueous pesticidal formulation comprising about 50 to about 300 g/L of at least one alkyl polyglycoside, and about 50 to about 500 g a.e./L of an EPM at a given ratio.
- EPM ratios include, for example, 9:1, 6:1, 3:1, 2:1, 1 :1, 1 :2, 1 :3, 1 :6 and 9:1.
- the first electrolytic pesticide comprises salts of glyphosate or glufosinate. In another embodiment, the first electrolytic pesticide comprises salts of glyphosate or glufosinate and the second electrolytic pesticide comprises at least one member selected from the group consisting of salts of 2,4-D; dicamba and fomesafen. In one embodiment, the first electrolytic pesticide comprises salts of glyphosate, preferably diammonium, isopropylamine or potassium salts of glyphosate; and the second electrolytic pesticide comprises at least one member selected from isopropyamine or diglycolamine salts of dicamba and sodium salts of fomesafen.
- the EPM concentration at the given ratio is higher than the maximum compatibilized concentration of a reference mixture consisting of the EPM and water.
- the reference mixture's EPM has the same pesticide ratio as the invention formulation's EPM.
- the invention's compatibilized formulation may be significantly higher than that of the reference mixture.
- the invention includes EPM concentration improvements of at least 1O g a.e./L; at least 20 g a.e./L; at least 30 g a.e./L; at least 40 g a.e./L; at least 50 g a.e./L; at least 60 g a.e./L; at least 70 g a.e./L; at least 80 g a.e./L; at least 90 g a.e./L; at least 100 g a.e./L; at least 110 g a.e./L; at least 120 g a.e./L; at least 130 g a.e./L; at least 140 g a.e./L; at least 150 g a.e./L; at least 160 g a.e./L; at least 170 g a.e./L; at least 180 g a.e./L; at least 190 g a
- the invention's EPM concentration is at least 1O g a.e./L, preferably at least 50 g a.e./L higher than the reference mixture's maximum compatibilized concentration, and in some embodiments, the invention's EPM concentration is at least 100 g a.e./L higher than the reference mixture's maximum compatibilized concentration.
- the following Test is one means of determining the maximum compatibilized concentration of the reference mixture, consisting of the EPM and water.
- an arbitrary test mass will be based on the concentration of the invention formulation. For example, if the compatibilized invention formulation has a 400 g a.e./L EPM concentration in a 3:1 ratio (300 g/L pesticide A + 100 g/L pesticide B), an arbitrary test mass might include: (1) 15O g pesticide A + 50 g pesticide B; (2) 180 g pesticide A + 60 g pesticide B; or (3) 210 g pesticide A + 70 g pesticide B.
- test solution is covered and stored at room temperature for one week and then moved to -5 0 C for 24 hours (the test period). If any phase separation or crystallization is observed during the test period, the test solution is deemed incompatible. If no phase separation or crystallization is observed during the test period, the test solution is deemed compatible.
- first test solution is deemed compatible
- a new test solution is formed with an increased EPM concentration and evaluated as above for compatibility.
- a new test solution is prepared with a decreased EPM concentration and evaluated as above for compatibility. Of course, these tests can be performed sequentially or simultaneously. New test solutions are prepared until the maximum compatibilized concentration ⁇ 5 g/1 of the reference mixture is determined.
- Test Solution #1 is deemed compatible at a concentration of 160 g a.e./L EPM (120 g/L Pesticide A + 40 g/L Pesticide B) and Test Solution #2 is deemed incompatible at a concentration of 164 g a.e./L EPM (123 g/L Pesticide A + 41 g/L Pesticide B), then the reference mixture's maximum compatibilized concentration would be 160 g a.e./L.
- Cloud Point of a composition is normally determined by heating a composition from 25 0 C, with agitation, while its temperature is continuously monitored, and recording the temperature at which cloudiness is detected. A temperature reading taken when the solution clears is a measure of Cloud Point.
- a Cloud Point of 50 0 C or more is acceptable for most commercial purposes for an aqueous concentrate. Ideally the Cloud Point should be 60 0 C or more, and the composition should withstand temperatures as low as about -10 0 C for up to about 7 days without crystal growth.
- the invention includes storage and shipping systems.
- Typical storage and shipping systems comprise a container ranging in capacity from about 0.1 L to about 200 L and a compatibilized aqueous pesticidal formulation located in the container. Typically the formulation will be concentrated.
- the container may include the standard 2.5 gallon (9.46 L) containers widely used in the United States, which typically take the form of jugs or flasks with a replaceable screw-cap. These containers are generally designed for single use and are typically not returned to the supplier when empty, instead being disposed of by the end user in accordance with local agricultural chemical container disposal guidelines, procedures, regulations or laws. Commonly, a plurality of these small containers are packaged within a single box and a plurality of such boxes are shipped on a pallet.
- the small containers (usually within boxes on pallets) can be disposed in an enclosed volume such as provided by a rail boxcar or road truck, the hold of a ship or aircraft, or a modular box container adapted for transport by road, rail and water.
- Larger single-use containers ranging in capacity up to about 200 L, for example about 50 L to about 200 L, are commonly in the form of drums, and can be shipped in an enclosed volume as described above, one or more per pallet or unpalleted.
- Formulations of the invention also can be distributed in a large ref ⁇ llable container sometimes known as a bulk or minibulk tank, which typically has an integral pump or connector for an external pump to permit transfer of liquid.
- Bulk or minibulk tanks having a capacity of about 200 to about 2000 liters or more are typically returned to the supplier when empty and are commonly shipped on a pallet.
- a compatibilized pesticidal formulation according to the invention is substantially filling the container.
- Tank mixing can increase the amount of adjuvants present in the tank, and/or can increase the effects the adjuvant from one product may have on the activity of the active ingredient of another product.
- tank mixes of different pesticide concentrates can lead to performance issues, such as increased phytotoxicity to the non- target vegetation, e.g. crops, turf or other desirable plants.
- the invention includes methods for improving crop safety compared to tank mixes of formulations, for example commercially available formulations, of the individual active ingredients, preferably while maintaining similar levels of pest, e.g. weed, control.
- the invention includes methods of inhibiting at least one pest in a crop area.
- pests include insects, fungi, and weeds. More typically, examples of pests include insects, fungi, and weeds that decrease crop yield. Inhibition includes suppression, and/or prevention, and/or any negative impact on pest fitness.
- Preferred crops of useful plants include canola, cereals such as barley, oats, rye and wheat, cotton, maize, soya, sugar beets, sugar cane, fruits, berries, nuts, vegetables, flowers, trees, shrubs and turf.
- Crops are to be understood as also including those crops which have been rendered tolerant to herbicides or classes of herbicides (e.g. ALS-, GS-, EPSPS-, PPO-, ACCase, Auxin- and HPPD- inhibitors) by conventional methods of breeding or by genetic engineering.
- herbicides or classes of herbicides e.g. ALS-, GS-, EPSPS-, PPO-, ACCase, Auxin- and HPPD- inhibitors
- An example of a crop that has been rendered tolerant to imidazolinones, e.g. imazamox, by conventional methods of breeding is Clearf ⁇ eld® summer rape (canola)(BASF).
- crops that have been rendered tolerant to herbicides by genetic engineering methods include e.g. glyphosate- and glufosinate-resistant maize varieties commercially available under the trade names RoundupReady® (Monsanto) and LibertyLink® (Bayer CropScience
- Crops are also to be understood as being those which have been rendered resistant to harmful insects by genetic engineering methods, for example Bt maize (resistant to European corn borer), Bt cotton (resistant to cotton boll weevil) and also Bt potatoes (resistant to Colorado beetle).
- Bt maize examples are the Bt 176 maize hybrids of NK® (Syngenta Seeds).
- the Bt toxin is a protein that is formed naturally by Bacillus thuringiensis soil bacteria.
- Examples of toxins, or transgenic plants able to synthesise such toxins are described in EP-A-451 878, EP-A-374 753, WO 93/07278, WO 95/34656, WO 03/052073 and EP-A-427 529. Plant crops or seed material thereof can be both resistant to herbicides and, at the same time, resistant to insect feeding
- seed can have the ability to express an insecticidal Cry3 protein while at the same time being tolerant to glyphosate.
- Crops are also to be understood to include those which are obtained by conventional methods of breeding or genetic engineering and contain so-called output traits (e.g. improved storage stability, higher nutritional value and improved flavor).
- output traits e.g. improved storage stability, higher nutritional value and improved flavor.
- turf grass for example in golf-courses, lawns, parks and roadsides, or grown commercially for sod
- ornamental plants such as flowers or bushes.
- Crop areas are areas of land on which the cultivated plants are already growing or in which the seeds of those cultivated plants have been sown, and also areas of land on which it is intended to grow those cultivated plants.
- the method comprises applying a compatibilized formulation according to the invention to the crop area.
- the method may also include diluting the formulation prior to application.
- the compositions are applied postemergence to the crops.
- the composition comprises at least one salt of glyphosate, at least one salt of fomesafen and APG and is applied postemergence to glyphosate tolerant crops, preferably glyphosate tolerant cotton or soybeans.
- the composition comprises at least one salt of glyphosate, at least one salt of dicamba and APG and is applied postemergence to glyphosate tolerant crops, preferably glyphosate tolerant corn or to crops that have been transgenically modified to be tolerant to glyphosate and dicamba, preferably soybeans and cotton.
- Table 1 illustrates diammonium glyphosate normal compatibility profile with sodium fomesafen.
- Table 1 also illustrates concentration ranges for different mixture ratios over which incompatibility arises.
- the mixture becomes incompatible at a glyphosate concentration somewhere between 137 g a.e./L and 155 g a.e./L.
- the mixture becomes incompatible at a glyphosate concentration somewhere between 133 g a.e./L and 15Og a.e./L.
- the mixture becomes incompatible at a glyphosate concentration somewhere between 135 g a.e./L and 155 g a.e./L.
- the mixture becomes incompatible at a glyphosate concentration somewhere between 117 g a.e./L and 14O g a.e./L.
- Table 2 illustrates the diammonium glyphosate-sodium fomesafen compatibility achieved by the use of APG.
- Table 3 illustrates additional compatible formulations after four weeks at ambient temperature.
- Ratio 2 1 Ratio 2: 1 Ratio 3: 1 Ratio 3: 1 Ratio 4: 1 Ratio 4: 1 Ratio 4: 1 Ratio
- Table 4 illustrates additional compatible formulations after four weeks at -5 0 C.
- Table 5 illustrates ammonium glufosinate's incompatibility with sodium fomesafen in the absence of an alkyl polyglycoside, and one example of the concentrated compatibility achievable by the instant invention.
- compositions containing Dicamba-IPA and Glyphosate-IPA salts were prepared with and without alkylpolyglucosides (APG's). Preparation of Sample No 4 is described below. Preparation of all samples in Table 6 followed a similar methodology.
- the Cloud Point of this sample was then measured by partially submersing the glass jar containing the sample into a container of water which was then subjected to controlled heating ( ⁇ l°C/minute) using a hot plate (Fisher Scientific Isotemp). A magnetic stirrer was used to stir the sample during the heating process and a thermometer placed in contact with the sample measured the sample temperature. The temperature at which the sample became cloudy was then recorded as the Cloud Point. Typically a temperature range best described the appearance of cloudiness.
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Abstract
Description
Claims
Priority Applications (11)
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BRPI1016228-3A BRPI1016228B1 (en) | 2009-03-06 | 2010-03-04 | compatibilized aqueous pesticide formulation, method of inhibiting at least one pest in a harvest area and method of forming said aqueous formulation |
RU2011140402/13A RU2550656C2 (en) | 2009-03-06 | 2010-03-04 | Method of increasing and creation of compatible concentration of mixture of pesticides possessing electrolytic properties in water solution and compatible water preparation form of pesticides |
KR1020117023533A KR20140014349A (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations |
EP10749323A EP2403535A4 (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations |
AU2010221301A AU2010221301B2 (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations |
US13/254,329 US9743668B2 (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations |
CA2754770A CA2754770C (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations |
CN201080016389.9A CN102770160B (en) | 2009-03-06 | 2010-03-04 | The electrolyte preparaton of compatibilized |
JP2011553106A JP2012519699A (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulation |
MX2011009317A MX2011009317A (en) | 2009-03-06 | 2010-03-04 | Compatibilized electrolyte formulations. |
UAA201111472A UA107658C2 (en) | 2009-03-06 | 2010-04-03 | Compatibilized electrolyte formulations |
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US15810009P | 2009-03-06 | 2009-03-06 | |
US61/158,100 | 2009-03-06 |
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JP (1) | JP2012519699A (en) |
KR (1) | KR20140014349A (en) |
CN (1) | CN102770160B (en) |
AR (1) | AR076091A1 (en) |
AU (1) | AU2010221301B2 (en) |
BR (1) | BRPI1016228B1 (en) |
CA (1) | CA2754770C (en) |
MX (1) | MX2011009317A (en) |
RU (1) | RU2550656C2 (en) |
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US9288984B2 (en) | 2009-06-25 | 2016-03-22 | Dow Agrosciences Llc | Herbicidal concentrate compositions containing glyphosate and dicamba salts |
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Also Published As
Publication number | Publication date |
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RU2011140402A (en) | 2013-04-20 |
US20120115816A1 (en) | 2012-05-10 |
RU2550656C2 (en) | 2015-05-10 |
BRPI1016228B1 (en) | 2021-02-09 |
AU2010221301A1 (en) | 2011-09-22 |
BRPI1016228A2 (en) | 2016-04-26 |
EP2403535A1 (en) | 2012-01-11 |
CN102770160A (en) | 2012-11-07 |
BRPI1016228A8 (en) | 2020-11-17 |
CN102770160B (en) | 2016-02-10 |
AU2010221301B2 (en) | 2015-03-19 |
UA107658C2 (en) | 2015-02-10 |
JP2012519699A (en) | 2012-08-30 |
CA2754770A1 (en) | 2010-09-10 |
MX2011009317A (en) | 2012-02-23 |
CA2754770C (en) | 2017-11-28 |
AR076091A1 (en) | 2011-05-18 |
US9743668B2 (en) | 2017-08-29 |
EP2403535A4 (en) | 2012-10-10 |
KR20140014349A (en) | 2014-02-06 |
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