WO2012041632A1 - Composition anhydre de filtration de fluides exempte d'alcanol en c1-c5, comprenant un polycondensat de polyamide lipophile et un alcane volatil - Google Patents
Composition anhydre de filtration de fluides exempte d'alcanol en c1-c5, comprenant un polycondensat de polyamide lipophile et un alcane volatil Download PDFInfo
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- WO2012041632A1 WO2012041632A1 PCT/EP2011/065109 EP2011065109W WO2012041632A1 WO 2012041632 A1 WO2012041632 A1 WO 2012041632A1 EP 2011065109 W EP2011065109 W EP 2011065109W WO 2012041632 A1 WO2012041632 A1 WO 2012041632A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/31—Hydrocarbons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/88—Polyamides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/26—Optical properties
- A61K2800/262—Transparent; Translucent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/30—Characterized by the absence of a particular group of ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/30—Characterized by the absence of a particular group of ingredients
- A61K2800/31—Anhydrous
Definitions
- the present invention relates to an anhydrous fluid composition free of C1 -C5 alkanol, comprising, in a cosmetically acceptable medium:
- UV-B radiation It is known that light radiation with wavelengths of between 280 nm and 400 nm permits tanning of the human epidermis and that light rays with wavelengths more particularly between 280 and 320 nm, known as UV-B rays, cause skin burns and erythema which can harm the development of a natural tan. For these reasons, and also for aesthetic reasons, there is constant demand for means for controlling this natural tanning in order thus to control the colour of the skin; this UV-B radiation should thus be screened out.
- UV-A rays with wavelengths between 320 and 400 nm, which cause tanning of the skin, are liable to induce adverse changes therein, in particular in the case of sensitive skin or skin that is continually exposed to solar radiation.
- UV-A rays cause in particular a loss of elasticity of the skin and the appearance of wrinkles leading to premature ageing of the skin. They promote triggering of the erythemal reaction or amplify this reaction in certain individuals and may even be the cause of phototoxic or photoallergic reactions.
- UV-A rays For aesthetic and cosmetic reasons, for instance conservation of the skin's natural elasticity, people increasingly wish to control the effect of UV-A rays on their skin. It is thus desirable also to screen out UV-A radiation.
- antisun compositions comprising organic screening agents that are active in the UV-A range and in the UV-B range are generally used.
- anhydrous formulations of antisun oil type are particularly sought on account of their easy and pleasant application to the skin and their good water resistance.
- they are not particularly widespread on the antisun products market due to the fact that it is difficult to obtain a sun protection factor of greater than 10 and also a UVA protection factor that satisfies the ratio stipulated by the various regulations or recommended by the regulation concerning antisun products, especially of greater than 5.
- the sun protection factor is expressed mathematically as the ratio of the irradiation time necessary to reach the erythema-forming threshold with the UV- screening agent to the time necessary to reach the erythema-forming threshold without UV-screening agent. It is evaluated in vivo especially according to the international method published by Colipa / CTFA SA / JCIA (May 2006). To characterize the protection with respect to UV-A, the PPD (persistent pigment darkening) method, which measures the skin colour observed 2 to 4 hours after exposure of the skin to UV-A, is particularly recommended and used.
- UVAPPD protection factor (UVAp PD PF) is expressed mathematically by the ratio of the UV-A radiation dose necessary to reach the pigmentation threshold with the UV-screening agent (MPPDp) to the UV-A radiation dose necessary to reach the pigmentation threshold without UV-screening agent (MPPDnp).
- the main difficulties encountered in the manufacture of antisun oils for attempting to increase the sun protection factors are those of obtaining a formulation that is fluid, transparent and also stable, and that is cosmetically pleasant
- the Applicant Company has found that on using this type of lipophilic polyamide polycondensate in a fluid antisun anhydrous composition of the antisun oil type, the formulation does not remain fluid and becomes too thick (formation of a gel) and sparingly cosmetic. Furthermore, during storage after 2 months, the formulation thus obtained has a tendency to become heterogeneous with exudation of oil: mixture of gelled and non-gelled parts.
- antisun oils comprising at least one C1 -C5 alkanol (ethanol) with an oil thickener and oils commonly used in antisun formulations, for example caprylic/capric acid triglycerides such as those sold by the company Stearineries Dubois or those sold under the names Miglyol 810, 812 and 818 by the company Dynamit Nobel; synthetic esters, for instance C12-C15 alcohol benzoates, for instance the product sold under the trade name Finsolv TN or Witconol TN by the company Witco, or Tegosoft TN by the company Evonik Goldschmidt, and diisopropyl sebacate, such as the product sold under the trade name Dub DIS by the company Stearineries Dubois.
- the presence of ethanol in these antisun oils is fundamental due to the fact that it affords them fluidity while at the same time maintaining their transparency,
- Alcohol-free antisun oils with SPF values that may be up to 10, 15 or even 20 are now known on the antisun products market. However, these alcohol-free oils contain raw materials that are not entirely satisfactory either environmentally or as regards their tolerance.
- the present invention thus relates to an anhydrous fluid composition free of C1-C5 alkanol, comprising, in a cosmetically acceptable medium:
- cosmetically acceptable means compatible with the skin and/or its integuments, which has a pleasant colour, odour and feel, and which does not cause any unacceptable discomfort (stinging, tautness or redness) liable to dissuade the consumer from using this composition.
- fluid composition means a composition that is not in solid form and whose viscosity, measured using a Rheomat 180 viscometer at 25°C at a spin speed of 200 rpm after 30 seconds of rotation, is less than 0.5 Pa.s, more preferentially less than 0.2 Pa.s and more particularly ranging from 0.0001 Pa.s to 0.1 Pa.s.
- anhydrous composition means a composition containing less than 1 % by weight of water, or even less than 0.5% water, and especially free of water, the water not being added during the preparation of the composition but corresponding to the residual water provided by the mixed ingredients.
- C1-C5 alkanol means any compound having a saturated alkyl chain of 1 to 5 carbon atoms comprising only one hydroxyl function and chosen especially from methanol, ethanol, propanol, isopropanol, n-butanol, isobutanol and t- butanol.
- composition free of C1-C5 alkanol means a composition containing less than 1 % by weight of C1-C5 alkanol and preferentially less than 0.5% by weight of C1-C5 alkanol, more preferentially totally free of C1-C5 alkanol.
- polycondensate means a polymer obtained by polycondensation, i.e. by chemical reaction between monomers bearing different functional groups chosen in particular from acid, alcohol and amine functions.
- polymer means a compound containing at least two repeating units, preferably at least three repeating units and better still ten repeating units.
- the lipophilic polyamide polycondensate(s) are preferably present in the compositions of the invention in concentrations ranging from 0.1 % to 15% by weight and more preferentially from 1 % to 8% by weight relative to the total weight of the composition.
- the lipophilic polyamide polycondensates may be chosen especially from polyamide polymers comprising a) a polymer backbone containing hydrocarbon- based repeating units bearing at least one non-pendent amide unit, and optionally b) at least one pendent fatty chain and/or at least one terminal fatty chain, which are optionally functionalized, comprising at least four carbon atoms and being bonded to these hydrocarbon-based units.
- the term "functionalized chains” means an alkyl chain comprising one or more functional groups or reagents chosen especially from amide, hydroxyl, ether, oxyalkylene or polyoxyalkylene, halogen, including fluoro or perfluoro groups, and ester, siloxane and polysiloxane groups.
- the hydrogen atoms of one or more fatty chains may be at least partially replaced with fluorine atoms.
- hydrocarbon-based repeating units means a unit comprising from 2 to 80 carbon atoms and preferably from 2 to 60 carbon atoms, bearing hydrogen atoms and optionally oxygen atoms, which may be linear, branched or cyclic, and saturated or unsaturated. These units each also comprise at least one amide group that is advantageously non-pendent, which is in the polymer backbone.
- the pendent chains are advantageously bonded directly to at least one of the nitrogen atoms of the polymer backbone.
- the lipophilic polyamide polycondensate may comprise between the hydrocarbon- based units silicone units or oxyalkylene units.
- the lipophilic polyamide polycondensate of the composition of the invention advantageously comprises from 40% to 98% of fatty chains relative to the total number of amide units and fatty chains, and better still from 50% to 95%.
- the pendent fatty chains are preferably bonded to at least one of the nitrogen atoms of the amide units of the polymer.
- the fatty chains of this polyamide represent from 40% to 98% of the total number of amide units and of fatty chains, and better still from 50% to 95%.
- the lipophilic polyamide polycondensate has a weight-average molecular mass of less than 100 000 (especially ranging from 1000 to 100 000), in particular less than 50 000 (especially ranging from 1000 to 50 000) and more particularly ranging from 1000 to 30 000, preferably from 2000 to 20 000 and better still from 2000 to 10 000.
- the lipophilic polyamide polycondensate is insoluble in water, especially at 25°C. In particular, it contains no ionic groups.
- preferred lipophilic polyamide polycondensates that may be used in the invention, mention may be made of polyamides branched with pendent fatty chains and/or terminal fatty chains containing from 6 to 120 carbon atoms and better still from 8 to 120 and in particular from 12 to 68 carbon atoms, each terminal fatty chain being bonded to the polyamide backbone via at least one bonding group L.
- the bonding group L may be chosen from ester, ether, amine, urea, urethane, thioester, thioether, thiourea and thiourethane groups.
- these polymers comprise a fatty chain at each end of the polyamide backbone.
- These polymers are preferably polymers resulting from a polycondensation between a dicarboxylic acid containing at least 32 carbon atoms (in particular containing from 32 to 44 carbon atoms) and an amine chosen from diamines containing at least 2 carbon atoms (in particular from 2 to 36 carbon atoms) and triamines containing at least 2 carbon atoms (in particular from 2 to 36 carbon atoms).
- the diacid is preferably a dimer of a fatty acid containing ethylenic unsaturation containing at least 16 carbon atoms, preferably from 16 to 24 carbon atoms, for instance oleic acid, linoleic acid or linolenic acid.
- the diamine is preferably ethylenediamine, hexylenediamine or hexamethylenediamine.
- the triamine is, for example, ethylenetriamine.
- a monoalcohol containing at least four carbon atoms preferably from 10 to 36 carbon atoms, better still from 12 to 24 and even better from 16 to 24, for example 18 carbon atoms.
- the lipophilic polyamide polycondensate of the composition according to the invention may be chosen in particular from the polymers of formula (A) below:
- n is an integer ranging from 1 to 30;
- R'i represents independently in each case a fatty chain and is chosen from an alkyl or alkenyl group containing at least 1 carbon atom and especially from 4 to 24 carbon atoms;
- R' 2 represents independently in each case a hydrocarbon-based radical comprising from 1 to 52 carbon atoms
- R' 3 represents independently in each case an organic group comprising at least one atom chosen from carbon, hydrogen and nitrogen atoms, on condition that R' 3 comprises at least three carbon atoms;
- R' 4 represents independently in each case: a hydrogen atom, an alkyl group comprising from 1 to 10 carbon atoms, or a direct bond to at least one group chosen from R' 3 and another R' 4 such that when the said group is another R'4, the nitrogen atom to which are attached both R' 3 and R' 4 forms part of a heterocyclic structure defined by R' 4 -N-R' 3 , on condition that at least 50% of the R' 4 represent a hydrogen atom, and
- L represents a bonding group preferably chosen from ester, ether, amine, urea, urethane, thioester, thioether, thiourea and thiourethane, optionally substituted with at least one group R'i as defined above.
- these polymers are chosen from the polymers of formula (A) in which the bonding group L represents an ester group
- Ri is independently in each case an alkyl or alkenyl group containing at least 4 carbon atoms and especially from 4 to 24 carbon atoms;
- R 2 represents independently in each case a C 4 to C 4 2 hydrocarbon-based group, on condition that 50% of the groups R 2 represent a C30 to C 4 2 hydrocarbon-based group;
- R 3 represents independently in each case an organic group bearing at least two carbon atoms, hydrogen atoms and optionally one or more oxygen or nitrogen atoms;
- R 4 represents independently in each case a hydrogen atom, a Ci to C10 alkyl group or a direct bond to R 3 or to another R 4 such that the nitrogen atom to which are attached both R 3 and R 4 forms part of a heterocyclic structure defined by R 4 -N-R 3 , with at least 50% of the groups R 4 representing a hydrogen atom.
- terminal fatty chains that are optionally functionalized for the purposes of the invention are terminal chains linked to the last nitrogen atom of the polyamide backbone.
- ester groups of formula (B), which form part of the terminal and/or pendent fatty chains within the meaning of the invention represent from 15% to 40% and better still from 20% to 35% of the total number of ester and amide groups.
- n advantageously represents an integer ranging from 1 to 5 and better still greater than 2.
- Ri is a C12 to C22 and preferably C16 to C22 alkyl group.
- R 2 can be a C10 to C 4 2 hydrocarbon-based (alkylene) group.
- at least 50% and better still at least 75% of the groups R 2 are groups containing from 30 to 42 carbon atoms.
- the other groups R 2 are C 4 to C19 and better still C 4 to C12 hydrogen-containing groups.
- R 3 represents a C2 to C 3 6 hydrocarbon-based group or a polyoxyalkylene group and R 4 represents a hydrogen atom.
- R 3 represents a C2 to C12 hydrocarbon-based group.
- the hydrocarbon-based groups may be linear, cyclic or branched, and saturated or unsaturated groups.
- the alkyl and alkylene groups may be linear or branched, and saturated or unsaturated groups.
- the polymers of formula (B) are in the form of mixtures of polymers, these mixtures also possibly containing a synthetic product corresponding to a compound of formula (B) in which n is 0, i.e. a diester.
- a mixture of copolymers of a C 3 6 diacid condensed onto ethylenediamine the terminal ester groups result from the esterification of the remaining acid end groups with cetyl alcohol, stearyl alcohol or mixtures thereof (also known as cetylstearyl alcohol) (INCI name: Ethylenediamine/stearyl dimer dilinoleate copolymer). Its weight-average molecular mass is preferably 6000.
- These mixtures are especially sold by the company Arizona Chemical under the trade names Uniclear 80 and Uniclear 100 VG.
- polyamide polycondensates corresponding to the general formula (A)
- polymers comprising at least one terminal fatty chain bonded to the polymer backbone via at least one tertiary amide bonding group (also known as an amide-terminated polyamide or ATPA).
- ATPA amide-terminated polyamide
- a copolymer of hydrogenated linoleic diacid, of ethylenediamine and of di(C14-C18)alkylamine(s) (INCI name: Ethylenediamide/hydrogenated dimer dilinoleate copolymer bis-di-C14-C18 alkyl amide).
- This copolymer is especially sold under the trade name Sylvaclear A200V by the company Arizona Chemical.
- the polyamide of formula (A) may also be an ester-terminated poly(ester-amide) (ETPEA), for instance those whose preparation is described in US 6 552 160.
- EPEA ester-terminated poly(ester-amide)
- a copolymer of hydrogenated linoleic diacid, of ethylenediamine and of neopentyl glycol and stearyl alcohol (INCI name: Bis- Stearyl Ethylenediamine/Neopentyl Glycol/Stearyl Hydrogenated Dimer Dilinoleate Copolymer).
- This copolymer is especially sold under the trade name Sylvaclear C75V by the company Arizona Chemical.
- polyamide polycondensates that may be used in the invention, mention may also be made of those comprising at least one terminal fatty chain bonded to the polymer backbone via at least one ether or polyether bonding group (it is then referred to as an ether-terminated poly(ether)amide).
- ether-terminated poly(ether)amide Such polymers are described, for example, in US 6 399 713.
- the polyamide in accordance with the invention advantageously has a softening point of greater than 65°C, which may be up to 190°C. It preferably has a softening point ranging from 70°C to 130°C and better still from 80°C to 105°C.
- the polyamide is in particular a non-waxy polymer.
- polyamide polycondensates that may be used in the invention, mention may also be made of polyamide resins resulting from the condensation of an aliphatic dicarboxylic acid and a diamine (including compounds containing more than 2 carbonyl groups and 2 amine groups), the carbonyl and amine groups of adjacent individual units being condensed via an amide bond.
- These polyamide resins are especially the products sold under the brand name Versamid® by the companies General Mills, Inc. and Henkel Corp. (Versamid 930, 744 or 1655) or by the company Olin Mathieson Chemical Corp., under the brand name Onamid® especially Onamid S or C. These resins have a weight-average molecular mass ranging from 6000 to 9000.
- US 3 645 705 and US 3 148 125 Use is made more especially of Versamid® 930 or 744.
- compositions of the invention comprise at least one linear or branched volatile alkane.
- volatile alkane that is suitable for use in the invention means a cosmetic alkane, which is capable of evaporating on contact with the skin in less than one hour, at room temperature (25°C) and atmospheric pressure (760 mmHg, i.e. 101 325 Pa), which is liquid at room temperature, especially having an evaporation rate ranging from 0.01 to 15 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the "volatile alkanes” that are suitable for use in the invention have an evaporation rate ranging from 0.01 to 3.5 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the "volatile alkanes” that are suitable for use in the invention have an evaporation rate ranging from 0.01 to 1 .5 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the "volatile alkanes" that are suitable for use in the invention have an evaporation rate ranging from 0.01 to 0.8 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the "volatile alkanes" that are suitable for use in the invention have an evaporation rate ranging from 0.01 to 0.3 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the "volatile alkanes" that are suitable for use in the invention have an evaporation rate ranging from 0.01 to 0.12 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg).
- the evaporation rate of a volatile alkane in accordance with the invention may especially be evaluated by means of the protocol described in WO 06/013 413, and more particularly by means of the protocol described below. 15 g of volatile hydrocarbon-based solvent are placed in a crystallizing dish (diameter: 7 cm) placed on a balance that is in a chamber of about 0.3 m 3 with regulated temperature (25°C) and hygrometry (50% relative humidity).
- the liquid is allowed to evaporate freely, without stirring, while providing ventilation by means of a ventilator (Papst-Motoren, reference 8550 N, rotating at 2700 rpm) placed vertically above the crystallizing dish containing the volatile hydrocarbon-based solvent, the blades being directed towards the crystallizing dish, 20 cm away from the bottom of the crystallizing dish.
- a ventilator Paperst-Motoren, reference 8550 N, rotating at 2700 rpm
- the mass of volatile hydrocarbon-based solvent remaining in the crystallizing dish is measured at regular time intervals.
- the evaporation profile of the solvent is then obtained by plotting the curve of the amount of product evaporated (in mg/cm 2 ) as a function of time (in minutes). The evaporation rate is then calculated, which corresponds to the tangent to the origin of the curve obtained. The evaporation rates are expressed in mg of volatile solvent evaporated per unit area (cm 2 ) and per unit of time (minutes).
- the "volatile alkanes" that are suitable for use in the invention have a non-zero vapour pressure (also known as the saturating vapour pressure), at room temperature, in particular a vapour pressure ranging from 0.3 Pa to 6000 Pa.
- the "volatile alkanes” that are suitable for use in the invention have a vapour pressure ranging from 0.3 to 2000 Pa, at room temperature (25°C).
- the "volatile alkanes” that are suitable for use in the invention have a vapour pressure ranging from 0.3 to 1000 Pa, at room temperature (25°C).
- the "volatile linear alkanes” that are suitable for use in the invention have a vapour pressure ranging from 0.4 to 600 Pa, at room temperature (25°C).
- the "volatile alkanes” that are suitable for use in the invention have a vapour pressure ranging from 1 to 200 Pa, at room temperature (25°C).
- the "volatile alkanes" that are suitable for use in the invention have a vapour pressure ranging from 3 to 60 Pa, at room temperature (25°C).
- a volatile linear alkane that is suitable for use in the invention may have a flash point that is in the range from 30 to 120°C and more particularly from 40 to 100°C.
- the flash point is in particular measured according to standard ISO 3679.
- branched volatile alkanes for instance C8-C16 isoalkanes of petroleum origin (also known as isoparaffins), for instance isododecane (also known as 2,2,4,4,6- pentamethylheptane), isodecane and isohexadecane; the oils sold under the trade name Isopar or Permethyl. Isododecane will preferably be used.
- C8-C16 alkanes for instance C8-C16 isoalkanes of petroleum origin (also known as isoparaffins), for instance isododecane (also known as 2,2,4,4,6- pentamethylheptane), isodecane and isohexadecane; the oils sold under the trade name Isopar or Permethyl. Isododecane will preferably be used.
- Volatile linear alkanes for instance C8-C16 isoalkanes of petroleum origin (also known as isoparaffins), for instance is
- volatile linear alkanes that are suitable for use in the invention are preferably chosen from volatile linear alkanes comprising from 7 to 14 carbon atoms.
- the "volatile linear alkanes” that are suitable for use in the invention comprise from 8 to 14 carbon atoms.
- the "volatile linear alkanes” that are suitable for use in the invention comprise from 9 to 14 carbon atoms.
- the "volatile linear alkanes” that are suitable for use in the invention comprise from 1 0 to 14 carbon atoms.
- the "volatile linear alkanes” that are suitable for use in the invention comprise from 1 1 to 14 carbon atoms.
- the "volatile linear alkanes” that are suitable for use in the invention have an evaporation rate, as defined above, ranging from 0.01 to 3.5 mg/cm 2 /minute, at room temperature (25°C) and atmospheric pressure (760 mmHg), and comprise from 8 to 14 carbon atoms.
- a volatile linear alkane that is suitable for use in the invention may advantageously be of plant origin.
- the volatile linear alkane or the mixture of volatile linear alkanes present in the composition according to the invention comprises at least one 1 C carbon-14) carbon isotope.
- the 1 C isotope may be present in a C/ 12 C ratio of greater than or equal to 1 * 1 0 "16 , preferably greater than or equal to 1 * 1 0 "15 , more preferably greater than or equal to 7.5* 1 0 "14 and better still greater than or equal to 1 .5* 1 0 "13
- the ratio 1 C/ 12 C ranges from 6x 1 0 " 13 to 1 .2x 1 0 "12
- the amount of 1 C isotopes in the volatile linear alkane or the mixture of volatile linear alkanes may be determined via methods known to those skilled in the art such as the Libby compacting method, liquid scintillation spectrometry or accelerator mass spectrometry.
- Such an alkane may be obtained, directly or in several steps, from a plant raw material, such as an oil, a butter, a wax, etc.
- a plant raw material such as an oil, a butter, a wax, etc.
- alkanes that are suitable for use in the invention, mention may be made of the alkanes described in patents WO 2007/068 371 or WO 2008/1 55 059 of the company Cognis (mixtures of different alkanes differing by at least one carbon).
- These alkanes are obtained from fatty alcohols, which are themselves obtained from coconut oil or palm oil.
- linear alkanes that are suitable for use in the invention, mention may be made of n-heptane (C 7 ), n-octane (Ce), n-nonane (Cg), n-decane (C-io), n- undecane (Cn ), n-dodecane (C12), n-tridecane (C13) and n-tetradecane (Cu), and mixtures thereof.
- the volatile linear alkane is chosen from n-nonane, n-undecane, n-dodecane, n-tridecane and n- tetradecane, and mixtures thereof.
- the volatile linear alkane may also be used alone.
- a mixture of two different volatile liquid linear alkanes differing from each other by a carbon number n of at least 1 , in particular differing from each other by a carbon number of 1 or 2, may be used.
- a mixture of at least two different volatile linear alkanes comprising from 10 to 14 carbon atoms and differing from each other by a carbon number of at least 1 may be used.
- Examples that may especially be mentioned include mixtures of volatile linear do/Cn , C11/C12, or C12/C13 alkanes.
- a mixture of at least two different volatile linear alkanes comprising from 10 to 14 carbon atoms and differing from each other by a carbon number of at least 2 may be used.
- a mixture of at least two different volatile linear alkanes comprising from 10 to 14 carbon atoms and differing from each other by a carbon number of at least 2, and in particular a mixture of C11/C13 volatile linear alkanes or a mixture of C12/C14 volatile linear alkanes, is used.
- mixtures combining more than two volatile linear alkanes according to the invention for instance a mixture of at least three different volatile linear alkanes comprising from 7 to 14 carbon atoms and differing from each other by a carbon number of at least 1 , also form part of the invention, but mixtures of two volatile linear alkanes according to the invention are preferred (binary mixtures), the said two volatile linear alkanes preferably representing more than 95% and better still more than 99% by weight of the total content of volatile linear alkanes in the mixture.
- the volatile linear alkane having the smaller carbon number is predominant in the mixture.
- a mixture of volatile linear alkanes in which the volatile linear alkane having the larger carbon number is predominant in the mixture is used.
- mixtures that are suitable for use in the invention mention may be made especially of the following mixtures:
- the said mixture of alkanes according to the invention contains:
- a volatile linear alkane that is suitable for use in the invention may be used in the form of an n-undecane/n-tridecane mixture.
- a mixture of volatile linear alkanes comprising:
- the mixture of alkanes is an n- undecane/n-tridecane mixture.
- such a mixture may be obtained according to Example 1 or Example 2 of WO 2008/155 059.
- the n-dodecane sold under the reference Parafol 12-97 by Sasol is used.
- the n-dodecane sold under the reference Parafol 14-97 by Sasol is used.
- n-dodecane and n-tetradecane are used.
- an n-dodecane/n-tetradecane mixture (C12/C14) is used, comprising:
- volatile linear alkanes such as those indicated previously will preferably be chosen, and more particularly the n- undecane/n-tridecane mixtures as described previously.
- the volatile alkane(s) in accordance with the invention are preferably present in contents ranging from 1 % to 60% by weight and preferably from 5% to 40% by weight relative to the total weight of the composition.
- compositions in accordance with the invention may also contain one or more non-volatile or volatile oils chosen from hydrocarbon-based oils and silicone oils, or mixtures thereof.
- non-volatile oil means an oil that remains on the skin or the keratin fibre at room temperature and atmospheric pressure for at least several hours, and that especially has a vapour pressure of less than 10 "3 mmHg (0.13 Pa).
- non-volatile hydrocarbon-based oils that may be used according to the invention, mention may be made especially of:
- hydrocarbon-based oils of plant origin such as glyceride triesters, which are generally triglycerides consisting of fatty acid esters of glycerol, the fatty acids of which may have varied chain lengths from C4 to C24, these chains possibly being linear or branched, and saturated or unsaturated; these oils are especially wheatgerm oil, sunflower oil, grapeseed oil, sesame seed oil, corn oil, apricot oil, castor oil, shea oil, avocado oil, olive oil, soybean oil, sweet almond oil, palm oil, rapeseed oil, cottonseed oil, hazelnut oil, macadamia oil, jojoba oil, alfalfa oil, poppy oil, pumpkin oil, sesame seed oil, marrow oil, rapeseed oil, blackcurrant oil, evening primrose oil, millet oil, barley oil, quinoa oil, rye oil, safflower oil, candlenut oil, passion flower oil and musk rose oil; or alternatively cap
- synthetic esters for instance the oils of formula RCOOR' in which R represents a linear or branched fatty acid residue comprising from 1 to 40 carbon atoms and R' represents a hydrocarbon-based chain that is especially branched, containing from 1 to 40 carbon atoms, on condition that R + R' > 10, for instance purcellin oil (cetostearyl octanoate), isopropyl myristate, isopropyl palmitate, C12- C-I5 alkyl benzoate, for instance the product sold under the trade name Finsolv TN or Witconol TN by the company Witco or Tegosoft TN by the company Evonik Goldschmidt, 2-ethyl phenyl benzoate, for instance the commercial product sold under the name X-Tend 226 by the company ISP, isopropyl lanolate, hexyl laurate, diisopropyl adipate, isononyl isononanoate,
- carbonates such as dicaprylyl carbonate, for instance the product sold under the name Cetiol CC by the company Cognis;
- fatty amides for instance isopropyl N-lauroyl sarcosinate, for instance the product sold under the trade name Eldew SL205 from Ajinomoto;
- glyceride triesters will more particularly preferred, and especially caprylic/capric acid triglycerides, synthetic esters and especially isononyl isononanoate, oleyl erucate and C12-C15 alcohol benzoates, and fatty alcohols, especially octyldodecanol.
- the additional volatile hydrocarbon-based oils may be chosen from C8-C16 branched esters, for instance isohexyl neopentanoate, and mixtures thereof; petroleum distillates, especially those sold under the name Shell Solt by the company Shell, may also be used.
- the non-volatile silicone oils may be chosen especially from non-volatile polydimethylsiloxanes (PDMSs), polydimethylsiloxanes comprising alkyl or alkoxy groups, that are pendent and/or at the end of a silicone chain, the groups each containing from 2 to 24 carbon atoms, phenyl silicones, for instance phenyl trimethicones, phenyl dimethicones, phenyltrimethylsiloxydiphenylsiloxanes, diphenyl dimethicones, diphenylmethyldiphenyltrisiloxanes and 2-phenylethyl trimethylsiloxysilicates.
- PDMSs non-volatile polydimethylsiloxanes
- phenyl silicones for instance phenyl trimethicones, phenyl dimethicones, phenyltrimethylsiloxydiphenylsiloxanes, diphenyl dimethicones, di
- Volatile silicone oils that may be mentioned, for example, include volatile linear or cyclic silicone oils, especially those with a viscosity ⁇ 8 centistokes (8x10 "6 m 2 /s) and especially containing from 2 to 7 silicon atoms, these silicones optionally comprising alkyl or alkoxy groups containing from 1 to 10 carbon atoms.
- volatile silicone oils that may be used in the invention, mention may be made especially of octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, heptamethylhexyltrisiloxane, heptamethyloctyltrisiloxane, hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane and dodecamethylpentasiloxane, and mixtures thereof.
- R represents an alkyl group containing from 2 to 4 carbon atoms, of which one or more hydrogen atoms may be substituted with a fluorine or chlorine atom.
- oils of general formula (I) that may be mentioned are:
- LIPOPHILIC ORGANIC UV-SCREENING AGENTS They may be chosen especially from para-am inobenzoic acid derivatives, salicylic derivatives, cinnamic derivatives, benzophenones and aminobenzophenones, anthranilic derivatives, dibenzoylmethane derivatives, ⁇ , ⁇ -diphenylacrylate derivatives, benzylidenecamphor derivatives, phenylbenzimidazole derivatives, benzotriazole derivatives, triazine derivatives, bis-resorcinyl triazines, imidazoline derivatives, benzalmalonate derivatives, 4,4-diarylbutadiene derivatives, benzoxazole derivatives and merocyanins, and mixtures thereof.
- lipophilic organic UVA screening agents that are capable of absorbing UV from 320 to 400 nm, mention may be made of
- n-hexyl 2-(4-diethylamino-2-hydroxybenzoyl)benzoate sold under the trade name Uvinul A+ or in the form of a mixture with octyl methoxycinnamate under the trade name Uvinul A + B by BASF,
- Neo Heliopan MA Menthyl anthranilate sold under the trade name Neo Heliopan MA by Haarmann & Reimer,
- lipophilic organic UVB screening agents that are capable of absorbing UV from 280 to 320 nm, mention may be made of para-Am inobenzoates:
- Ethylhexyl Dimethyl PABA (Escalol 507 from ISP),
- Neo Heliopan OS sold under the name Neo Heliopan OS by Haarmann & Reimer
- TEA salicylate sold under the name Neo Heliopan TS by Haarmann & Reimer, Cinnamates:
- Neo Heliopan E 1000 Isoamyl methoxycinnamate sold under the trade name Neo Heliopan E 1000 by Haarmann & Reimer,
- Etocrylene sold especially under the trade name Uvinul N35 by BASF,
- Polyorganosiloxanes containing benzalmalonate functions for instance Polysilicone-15, sold under the trade name Parsol SLX by Hoffmann LaRoche Dineopentyl 4'-methoxybenzalmalonate,
- Benzophenone-6 sold under the trade name Helisorb 1 1 by Norquay,
- Benzophenone-8 sold under the trade name Spectra-Sorb UV-24 by American Cyanamid,
- the preferential compounds are:
- the lipophilic organic screening agents are generally present in the compositions according to the invention in proportions ranging from 0.1 % to 50% by weight relative to the total weight of the composition, and preferably ranging from 2% to 30% by weight relative to the total weight of the composition.
- the compositions will be transparent and will preferably have a turbidity of less than 1000 NTU (nephelometric turbidity units) at 25°C, preferably less than 50 NTU at 25°C and even more preferentially less than 15 NTU, measured using a 21 OOP turbidimeter machine from the company Hach. (to be confirmed)
- the compositions will have an SPF of greater than 10, or even greater than 15 or even greater than 20.
- the compositions will have a UVAp PD PF of greater than 5, and they also satisfy the recommendation for the regulation, especially the European regulation, which stipulates that the SPF/PPD ratio should be less than 3.
- the oily composition of the product of the invention may also contain various additives that may be soluble in the oily phase, or that may be in dispersion in the said oily phase, chosen especially from lipophilic dyes, lipophilic active agents, lipophilic polymers other than the polyamide polycondensates of the invention, organic solvents, preserving agents, insect repellents, essential oils, fragrances, emollients and propellants.
- lipophilic cosmetic active agents examples that may be mentioned include antioxidants, keratolytic agents such as N-alkylsalicylic acids, for example N-octanoyl-5-salicylic acid; vitamins, for instance vitamin E (tocopherol and derivatives), vitamin A (retinol and derivatives); softeners and any lipophilic active agent usually used for caring for the skin or the hair.
- antioxidants such as N-alkylsalicylic acids, for example N-octanoyl-5-salicylic acid
- vitamins for instance vitamin E (tocopherol and derivatives), vitamin A (retinol and derivatives)
- softeners any lipophilic active agent usually used for caring for the skin or the hair.
- Additional lipophilic polymers include styrene-based block copolymers such as styrene/ethylene-butylene/styrene copolymer such as the product sold under the name Kraton G-1650E by the company Kraton Polymers; acrylic or methacrylic acid copolymers, such as the acrylate/stearyl acrylate/dimethicone methacrylate copolymer sold under the name KP 561 P by the company Shin-Etsu; poly-Cio-C3o-alkyl acrylates, for instance the product sold under the name Intelimer IPA 13-1 by the company Landec.
- styrene-based block copolymers such as styrene/ethylene-butylene/styrene copolymer such as the product sold under the name Kraton G-1650E by the company Kraton Polymers
- acrylic or methacrylic acid copolymers such as the acrylate/stearyl acrylate/
- compositions according to the invention as defined above for the manufacture of cosmetic products for treating the skin, the nails, the hair, the eyelashes, the eyebrows and/or the scalp, especially care products and antisun products.
- the cosmetic compositions according to the invention may be used, for example, as daily antisun and/or photoprotective care and/or sun protection products and/or makeup products and/or hair products, for the face and/or the body and/or the hair, of liquid consistency.
- the cosmetic compositions according to the invention may constitute fragrancing products and may also contain a fragrancing substance.
- fragrancing product means any composition that leaves a fragrance after application to keratin materials.
- fragmentancing substance means any fragrance or aroma capable of fragrancing the skin and human keratin materials in general comprising the skin, the hair, the scalp, the lips and the nails.
- Fragrances and aromas of natural or synthetic origin and mixtures thereof may be used in the composition of the invention as fragrancing substance.
- fragrances and aromas of natural origin mention may be made, for example, of extracts from flowers (lily, lavender, rose, jasmine, ylang ylang), from stems and leaves (patchouli, geranium, petitgrain), from fruit (coriander, aniseed, cumin, juniper), from fruit peel (bergamot, lemon, orange), from roots (angelica, celery, cardamom, iris, rattan palm), from wood (pinewood, sandalwood, gaiac wood, rose of cedar), from grasses and gramineae (tarragon, lemongrass, sage, thyme), from needles and branches (spruce, fir, pine, dwarf pine) and from resins and balms (galbanum, elemi, benjoin, myrrh, olibanum, opopanax).
- fragrancing substances of synthetic origin examples include compounds of the ester, ether, aldehyde, ketone, aromatic alcohol and hydrocarbon type.
- Esters that may be mentioned in particular include benzyl acetate, benzyl benzoate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, citronellyl acetate, citronellyl formate, geranyl acetate, linalyl acetate, dimethylbenzylcarbinyl acetate, phenylethyl acetate, linalyl benzoate, benzyl formate, ethylmethylphenyl glycinate, alkylcyclohexyl propionate, styrallyl propionate and benzyl salicylate.
- An ether that may be mentioned is benzyl ethyl ether.
- aldehydes that may be mentioned include linear alkanals comprising from 8 to 18 carbon atoms, citral, citronellal, citronellyloxyacetaldehyde, cyclamenaldehyde, hydroxycitronellal, lilial and bourgeonal.
- ketones examples include ionones, for instance alpha- isomethylionone and methyl cedryl ketone.
- aromatic and especially terpenic alcohols mention may be made of anethole, citronellol, eugenol, isoeugenol, geraniol, linalool, phenylethyl alcohol and terpineol.
- Hydrocarbons that may especially be mentioned are terpenes. These compounds are often in the form of a mixture of two or more of these odoriferous substances.
- essential oils for instance essences of sage, camomile, clove, balm, mint, cinnamon leaves, lime tree blossom, juniper, vetiver, olibanum, galbanum, labolanum and lavandin.
- the amount of fragrancing substance(s) will preferably be from 5% to 25% by weight and better still from 10 to 20% by weight relative to the total weight of the composition.
- compositions of the invention may also comprise one or more additional colouring agents.
- the additional colouring agents may also be chosen from natural and synthetic direct dyes. They may be organic or mineral dyes.
- the natural or synthetic liposoluble organic dyes are, for example, DC Red 17, DC Red 21 , DC Red 27, DC Green 6, DC Yellow 1 1 , DC Violet 2, DC Orange 5, Sudan red, carotenes ( ⁇ -carotene or lycopene), xanthophylls (capsanthin, capsorubin or lutein), palm oil, Sudan brown, quinoline yellow, annatto and curcumin.
- the additional colouring agents may also be chosen from particulate dyestuffs, which are preferably chosen from pigments, nacres or interference pigments, and glitter flakes.
- pigments should be understood as meaning white or coloured, mineral or organic particles of any form, which are insoluble in the physiological medium and are intended to colour the composition.
- the pigments may be white or coloured, and mineral and/or organic.
- the mineral pigments that may be mentioned are titanium dioxide, optionally surface- treated, zirconium oxide or cerium oxide, and also zinc oxide, iron (black, yellow or red) oxide or chromium oxide, manganese violet, ultramarine blue, chromium hydrate and ferric blue, and metal powders, for instance aluminium powder and copper powder.
- organic pigments that may be mentioned are carbon black, pigments of D&C type and lakes based on cochineal carmine or on barium, strontium, calcium or aluminium.
- pigments with an effect such as particles comprising a natural or synthetic, organic or mineral substrate, for example glass, acrylic resins, polyester, polyurethane, polyethylene terephthalate, ceramics or aluminas, the said substrate optionally being coated with metallic substances such as aluminium, gold, silver, platinum, copper or bronze, or metal oxides such as titanium dioxide, iron oxide or chromium oxide, and mixtures thereof.
- a natural or synthetic, organic or mineral substrate for example glass, acrylic resins, polyester, polyurethane, polyethylene terephthalate, ceramics or aluminas
- metallic substances such as aluminium, gold, silver, platinum, copper or bronze, or metal oxides such as titanium dioxide, iron oxide or chromium oxide, and mixtures thereof.
- the term "interference particles or nacres” denotes any particle generally having a multilayer structure such that it allows the creation of a colour effect by interference of light rays, which diffract and scatter differently according to the nature of the layers.
- the colouring effects obtained are associated with the lamellar structure of these particles and are derived from the physical laws of thin film optics (see: Pearl lustre pigments - physical principles, properties, applications - R. Maisch, M. Weigand. Verlag Moderne Industrie).
- these particles may have colours that vary according to the angle of observation and the incidence of the light.
- a multilayer structure is intended to denote, without preference, a structure formed from a substrate coated with a single layer, or a structure formed from a substrate coated with at least two or even more consecutive layers.
- the multilayer structure may thus comprise one or even at least two layers, each layer, independently or otherwise of the other layer(s), being made of at least one material chosen from the group consisting of the following materials: MgF 2 , CeF 3 , ZnS, ZnSe, Si, Si0 2 , Ge, Te, Fe 2 0 3 , Pt, Va, Al 2 0 3 , MgO, Y 2 0 3 , S 2 0 3 , SiO, Hf0 2 , Zr0 2 , Ce0 2 , Nb 2 0 5 , Ta 2 0 5 , Ti0 2 , Ag, Al, Au, Cu, Rb, Ti, Ta, W, Zn, MoS 2 , cryolite, alloys and polymers, and combinations thereof.
- the multilayer structure is of mineral nature.
- the interference particles under consideration according to the invention may be interference pigments, or alternatively natural or synthetic, monolayer or multilayer nacres, in particular formed from a natural substrate based, inter alia, on mica, which is covered with one or more layers of metal oxide.
- the interference particles according to the invention are characterized in that 50% of the mass population has a diameter (d50) of less than 40 pm, more particularly less than 30 pm, especially less than 20 pm and in particular less than 15 pm, measured with a laser granulometer, for instance the Mastersizer 2000® machine from Malvern or the BI90+® machine from Brookhaven Instrument Corporation.
- Nacres of mica/tin oxide/titanium oxide type for instance those sold under the names Timiron Silk Blue®, Timiron Silk Red®, Timiron Silk Green®, Timiron Silk Gold® and Timiron Super Silk® sold by the company Merck, and mica/iron oxide/titanium oxide nacres, for instance Flamenco Satin Blue®, Flamenco Satin Red® and Flamenco Satin Violet® and Flamenco Orange 320C sold by the company Engelhard, and mixtures thereof, are most particularly suitable for the invention.
- these pigments may be present in amounts ranging from 0.01 % to 10% by weight and preferably ranging from 0.1 % to 5% by weight relative to the total weight of the composition.
- compositions according to the invention may be in the form of a vaporizable oil applied to the skin or the hair in the form of fine particles by means of pressurization devices.
- the devices in accordance with the invention are well known to those skilled in the art and comprise non-aerosol pumps or "atomizers", aerosol containers comprising a propellant and also aerosol pumps using compressed air as propellant. These devices are described in patents US 4 077 441 and US 4 850 517 (which form an integral part of the content of the description).
- compositions may also be impregnated onto supports such as wipes, or they may be conditioned as lotions in a bottle with a reducing agent.
- the compositions conditioned in aerosol form in accordance with the invention generally contain conventional propellants, for instance hydrofluoro compounds, dichlorodifluoromethane, difluoroethane, dimethyl ether, isobutane, n-butane, propane or trichlorofluoromethane. They are preferably present in amounts ranging from 15% to 50% by weight relative to the total weight of the composition.
- the compositions will be transparent and will preferably have a turbidity of less than 1000 NTU (nephelometric turbidity units) at 25°C, preferably less than 50 NTU at 25°C and even more preferentially less than 15 NTU, measured using a 21 OOP turbidimeter machine from the company Hach. (to be confirmed)
- compositions will have an SPF of greater than 10, or even greater than 15 and even greater than 20.
- the compositions will have a UVAp PD PF of greater than 5, and they also satisfy the recommendation for the regulation, especially the European regulation, which stipulates that the SPF/PPD should be less than 3.
- Each composition is prepared by mixing together the starting materials and heating to 90-95°C with stirring until the starting materials have fully dissolved. The mixture is cooled to 25°C with stirring.
- Examples 2 and 3 of alcohol-free antisun oil according to the invention are stable after storage for 2 months at various temperatures (4, 25 and 45°C). They also have the advantage of being vaporizable and cosmetically pleasant. Examples 4 and 5:
- Examples 4 and 5 of alcohol-free antisun oil according to the invention are stable after storage for 2 months at various temperatures (4, 25 and 45°C). They also have the advantage of being vaporizable and cosmetically pleasant. They have an SPF of about 20. Examples 6 and 7:
- Examples 6 and 7 of alcohol-free antisun oil according to the invention are stable after storage for 2 months at various temperatures (4, 25 and 45°C). They also have the advantage of being vaporizable and cosmetically pleasant. They have an SPF of about 30.
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Abstract
La présente invention concerne une composition fluidique exempte d'alcanol en C1-C5, comprenant, dans un milieu cosmétiquement acceptable : a) au moins un polycondensat de polyamide lipophile, b) au moins un alcane volatil linéaire ou ramifié, et c) au moins un agent lipophile organique anti-UV.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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FR1057899A FR2965480B1 (fr) | 2010-09-30 | 2010-09-30 | Composition filtrante fluide anhydre sans alcanol en c1-c5 comprenant un polycondensat polyamide lipophile et un alcane volatil |
FR1057899 | 2010-09-30 | ||
US201161431220P | 2011-01-10 | 2011-01-10 | |
US61/431,220 | 2011-01-10 |
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WO2012041632A1 true WO2012041632A1 (fr) | 2012-04-05 |
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PCT/EP2011/065109 WO2012041632A1 (fr) | 2010-09-30 | 2011-09-01 | Composition anhydre de filtration de fluides exempte d'alcanol en c1-c5, comprenant un polycondensat de polyamide lipophile et un alcane volatil |
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FR (1) | FR2965480B1 (fr) |
WO (1) | WO2012041632A1 (fr) |
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WO2015186078A1 (fr) * | 2014-06-04 | 2015-12-10 | L'oreal | Système nettoyant anhydre sans alcool à protection contre les uv élevée |
US20160120791A1 (en) * | 2014-10-30 | 2016-05-05 | L'oreal | Anhydrous alcohol-free sunscreen composition for application onto wet or dry skin |
EP2934430A4 (fr) * | 2012-12-19 | 2016-10-26 | Oréal L | Compositions d'écran solaire ayant une combinaison synergique de filtres pour ultraviolet (uv) |
US10245220B2 (en) | 2015-07-22 | 2019-04-02 | Biosynthis | Process for pongamol enrichment of karanja oil |
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EP2934430A4 (fr) * | 2012-12-19 | 2016-10-26 | Oréal L | Compositions d'écran solaire ayant une combinaison synergique de filtres pour ultraviolet (uv) |
WO2015186078A1 (fr) * | 2014-06-04 | 2015-12-10 | L'oreal | Système nettoyant anhydre sans alcool à protection contre les uv élevée |
US20160120791A1 (en) * | 2014-10-30 | 2016-05-05 | L'oreal | Anhydrous alcohol-free sunscreen composition for application onto wet or dry skin |
US10245220B2 (en) | 2015-07-22 | 2019-04-02 | Biosynthis | Process for pongamol enrichment of karanja oil |
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FR2965480A1 (fr) | 2012-04-06 |
FR2965480B1 (fr) | 2013-03-08 |
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