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WO2024121250A1 - Dispositif aérosol à base de polymère à fixation anionique, de colorant direct, de monoalcool et d'éther diméthylique - Google Patents

Dispositif aérosol à base de polymère à fixation anionique, de colorant direct, de monoalcool et d'éther diméthylique Download PDF

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Publication number
WO2024121250A1
WO2024121250A1 PCT/EP2023/084577 EP2023084577W WO2024121250A1 WO 2024121250 A1 WO2024121250 A1 WO 2024121250A1 EP 2023084577 W EP2023084577 W EP 2023084577W WO 2024121250 A1 WO2024121250 A1 WO 2024121250A1
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WO
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Prior art keywords
composition
weight
anionic
acid
chosen
Prior art date
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Ceased
Application number
PCT/EP2023/084577
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English (en)
Inventor
Carine Aires
Lionel Aubert
Nadia Smail
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LOreal SA filed Critical LOreal SA
Priority to EP23821219.5A priority Critical patent/EP4629960A1/fr
Priority to CN202380083853.3A priority patent/CN120379632A/zh
Publication of WO2024121250A1 publication Critical patent/WO2024121250A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04—Dispersions; Emulsions
    • A61K8/046—Aerosols; Foams
    • 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
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
    • A61Q5/065—Preparations for temporary colouring the hair, e.g. direct dyes
    • 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
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/432—Direct dyes

Definitions

  • the present invention relates to an aerosol device comprising a composition for treating keratin fibres such as the hair, comprising at least one anionic fixing polymer, at least one blue, green or purple direct dye, at least one C2-C4 monoalcohol, and at least dimethyl ether, and also to a treatment process using said composition.
  • the aim of the present invention is to develop a device for treating keratin fibres such as the hair, allowing rapid and homogeneous application of the composition to the keratin fibres leading to neutralization of the yellow and/or orangey tints of the hair over the whole of the head of hair treated, having good cosmetic properties in terms of softness or suppleness of the hair and also good properties of shaping the head of hair and/or form retention of the hairstyle.
  • the device according to the invention results in a treatment which does not transfer or transfers little to the skin or to textiles once dried.
  • composition comprising:
  • Another subject of the invention is a process for neutralizing the yellow and/or orangey tints of keratin fibres such as the hair, which have been previously bleached and/or are natural white, comprising the application to said fibres of a composition delivered from a device as defined above.
  • this composition has good transfer resistance and the deposition onto supports with which the composition comes into contact, such as the skin and/or clothing, is limited.
  • the aerosol device comprises at least one pressurized container comprising:
  • composition comprising:
  • composition comprising less than 5% by weight of water relative to the total weight of the composition.
  • composition a) according to the invention is preferably a cosmetic composition for treating keratin fibres, such as the hair.
  • the total weight of the composition corresponds to the total weight of the composition a).
  • the total weight of the composition corresponds to the weight of the composition a) + the weight of the propellant(s).
  • composition according to the invention comprises at least one anionic fixing polymer.
  • fixing polymer refers to any polymer that is capable of giving shape to a head of hair or of maintaining a head of hair in a given shape.
  • Anionic fixing polymers that may be mentioned include polymers comprising groups derived from carboxylic, sulfonic or phosphoric acids, and having a number-average molecular mass of between 500 and 5 000 000.
  • the carboxylic groups are provided by unsaturated monocarboxylic or dicarboxylic acid monomers, such as those corresponding to formula ( I ):
  • n is an integer from 0 to 10
  • A denotes a methylene group, optionally connected to the carbon atom of the unsaturated group or to the adjacent methylene group, when n is greater than 1, via a heteroatom, such as oxygen or sulfur,
  • R 1 denotes a hydrogen atom or a phenyl or benzyl group
  • R 2 denotes a hydrogen atom, an alkyl group comprising from 1 to 4 carbon atoms or a carboxyl group,
  • R 3 denotes a hydrogen atom, an alkyl group comprising from 1 to 4 carbon atoms, a –CH 2 -COOH group, a phenyl group or a benzyl group.
  • the alkyl group comprising from 1 to 4 carbon atoms may in particular denote methyl and ethyl groups.
  • anionic fixing polymers bearing carboxylic or sulfonic groups that are preferred are:
  • A) copolymers of acrylic or methacrylic acid or salts thereof including copolymers of acrylic acid and acrylamide, and methacrylic acid/acrylic acid/ethyl acrylate/methyl methacrylate copolymers, in particular Amerhold DR 25 sold by Amerchol, and sodium salts of polyhydroxycarboxylic acids. Mention may also be made of methacrylic acid/ethyl acrylate copolymers, notably in aqueous dispersion, such as Luviflex Soft and Luvimer MAE, which are sold by BASF.
  • a monoethylenic monomer such as ethylene, styrene, vinyl esters and acrylic or methacrylic acid esters
  • a polyalkylene glycol such as polyethylene glycol and optionally crosslinked.
  • Such polymers are described in particular in French patent 1 222 944 and German patent application No. 2 330 956, the copolymers of this type including an optionally N-alkylated and/or hydroxyalkylated acrylamide unit in their chain as described notably in Luxembourgian patent applications 75370 and 75371. Mention may also be made of copolymers of acrylic acid and of C 1 -C 4 alkyl methacrylate.
  • anionic fixing polymer from this family, mention may also be made of the butyl acrylate/acrylic acid/methacrylic acid branched block anionic polymer sold under the name Fixate G-100 L by Lubrizol (INCI name AMP-Acrylates/Allyl Methacrylate Copolymer).
  • C) copolymers derived from crotonic acid such as those including vinyl acetate or propionate units in their chain and optionally other monomers such as allylic esters or methallylic esters, vinyl ether or vinyl ester of a linear or branched saturated carboxylic acid with a long hydrocarbon-based chain, such as those including at least 5 carbon atoms, these polymers possibly being grafted and crosslinked, or alternatively a vinyl, allylic or methallylic ester of an ⁇ - or ⁇ -cyclic carboxylic acid.
  • Such polymers are described, inter alia , in French patents 1 222 944, 1 580 545, 2 265 782, 2 265 781, 1 564 110 and 2 439 798. Commercial products that fall within this category are the resins 28 29 30, 26 13 14 and 28 13 10 sold by National Starch.
  • Such polymers are described in particular in US patents 2 047 398, 2 723 248 and 2 102 113 and GB patent 839 805, and notably those sold under the names Gantrez® AN or ES by ISP.
  • Polymers also falling within this category are the copolymers of maleic, citraconic or itaconic anhydrides and of an allylic or methallylic ester optionally comprising an acrylamide or methacrylamide group, an ⁇ -olefin, acrylic or methacrylic esters, acrylic or methacrylic acids or vinylpyrrolidone in their chain, the anhydride functions being monoesterified or monoamidated.
  • these polymers are described, for example, in French patents 2 350 384 and 2 357 241 by the applicant.
  • polymers comprising sulfonic groups. These polymers may be polymers comprising vinylsulfonic, styrenesulfonic, naphthalenesulfonic, acrylamidoalkylsulfonic or sulfoisophthalate units.
  • These polymers may notably be chosen from:
  • polyvinylsulfonic acid salts with a molecular mass of between approximately 1000 and 100 000, and also the copolymers with an unsaturated comonomer such as acrylic or methacrylic acids and esters thereof, and also acrylamide or derivatives thereof, vinyl ethers and vinylpyrrolidone;
  • the grafted silicone polymers used are preferentially chosen from polymers with a non-silicone organic backbone grafted with monomers containing a polysiloxane, polymers with a polysiloxane backbone grafted with non-silicone organic monomers, and mixtures thereof.
  • anionic polyurethanes which may include silicone grafts and silicones bearing hydrocarbon-based grafts.
  • fixing polyurethanes examples include the dimethylolpropionic acid/isophorone diisocyanate/neopentyl glycol/polyester diols copolymer (also known under the name polyurethane-1, INCI name) sold under the brand name Luviset® PUR by BASF, and the dimethylolpropionic acid/isophorone diisocyanate/neopentyl glycol/polyester diols/silicone diamine copolymer (also known under the name polyurethane-6, INCI name) sold under the brand name Luviset® Si PUR A by BASF.
  • dimethylolpropionic acid/isophorone diisocyanate/neopentyl glycol/polyester diols copolymer also known under the name Luviset®-1, INCI name
  • Avalure UR 450 Another anionic polyurethane that may also be used is Avalure UR 450.
  • Polymers containing sulfoisophthalate groups such as the polymers AQ55 and AQ48 sold by Eastman, may also be used.
  • the anionic fixing polymers are preferably chosen from acrylic acid copolymers such as the acrylic acid/ethyl acrylate/N-tert-butylacrylamide terpolymer sold under the name Ultrahold Strong® by BASF, methacrylic acid/ethyl acrylate copolymers, in particular in aqueous dispersion, such as Luviflex Soft and Luvimer MAE sold by BASF, copolymers derived from crotonic acid such as vinyl acetate/vinyl tert-butylbenzoate/crotonic acid terpolymers and crotonic acid/vinyl acetate/vinyl neododecanoate terpolymers sold under the name Resin 28-29-30 by National Starch, polymers derived from maleic, fumaric or itaconic acids or anhydrides with vinyl esters, vinyl ethers, vinyl halides, phenylvinyl derivatives, acrylic acid and its esters, such as the mono
  • the total amount of fixing polymer(s) may range from 0.1% to 30% by weight relative to the weight of the composition, preferably from 1% to 10% by weight relative to the weight of the composition, with preference from 1.5% to 8% by weight, better still from 2% to 7% by weight relative to the weight of the composition.
  • composition according to the invention comprises at least one blue, green or purple and more particularly blue or purple direct dye.
  • the direct dyes that can be used according to the invention are preferably anionic or cationic and preferably anionic.
  • anionic direct dyes of the invention are dyes commonly referred to as "acid” direct dyes owing to their affinity for alkaline substances.
  • the term "anionic direct dye” means any direct dye including in its structure at least one CO 2 R or SO 3 R substituent with R denoting a hydrogen atom or a cation originating from a metal or an amine, or an ammonium ion.
  • the anionic dyes may be chosen from acid azo direct dyes, acid azine dyes, acid triarylmethane dyes, acid indoamine dyes, acid anthraquinone dyes, xanthene dyes, indigoids and acid natural dyes.
  • anionic azo dyes mention may be made of the dyes Acid Violet 7, Acid Violet 14, Acid Blue 113 and Acid Blue 117.
  • Acid Blue 25 Acid Blue 43, Acid Blue 62, Acid Blue 78, Acid Blue 129, Acid Blue 138, Acid Blue 140, Acid Blue 251, Acid Violet 42, Acid Violet 43 (also called Ext Violet No. 2).
  • triarylmethane dyes mention may be made of the dyes Acid Blue 1; Acid Blue 3; Acid Blue 7; Acid Blue 9; Acid Violet 49.
  • xanthene dyes mention may be made of: Acid Violet 9.
  • indole dyes mention may be made of: Acid Blue 74.
  • cationic direct dyes which can be used according to the invention, mention may be made of the dyes Basic Blue 6, Basic Blue 7, Basic Blue 9, Basic Blue 26, Basic Blue 41, Basic Blue 99, Basic Violet 1, Basic Violet 2, Basic Violet 3, Basic Violet 10, Basic Violet 14.
  • the preferred direct dyes are Ext. Violet 2, Acid Blue 62, Acid Blue 9 and Basic Violet 2, more preferentially Ext. Violet 2, Acid Blue 62 and Acid Blue 9.
  • the direct dye(s) is (are) present in a total amount which may range from 0.001% to 3%, preferably from 0.005% to 1%, better still from 0.0075% to 0.5% by weight relative to the total weight of the composition.
  • the anionic direct dye(s) is (are) present in a total amount which may range from 0.001% to 3%, preferably from 0.005% to 1%, better still from 0.0075% to 0.5% by weight relative to the total weight of the composition.
  • composition according to the present invention comprises one or more C2-C4 monoalcohols.
  • the C2-C4 monoalcohols are notably chosen from ethanol, isopropanol, tert-butanol and n-butanol.
  • the monoalcohol used is ethanol.
  • the C2-C4 monoalcohols are generally present in a total amount ranging from 10% to 80% by weight relative to the total weight of the composition, and more preferentially ranging from 20% to 70% by weight and even more particularly ranging from 30% to 60% by weight relative to the total weight of the composition.
  • compositions may also comprise at least one agent commonly used in cosmetics, for example chosen from reducing agents, organic solvents other than C2-C4 monoalcohols, softeners, antifoams, moisturizers, UV-screening agents, peptizers, solubilizers, fragrances, anionic, cationic, nonionic or amphoteric surfactants, proteins, vitamins, silicones, mineral oils, vegetable oils, fatty esters, fatty ethers and pH modifiers, and mixtures thereof.
  • agent commonly used in cosmetics for example chosen from reducing agents, organic solvents other than C2-C4 monoalcohols, softeners, antifoams, moisturizers, UV-screening agents, peptizers, solubilizers, fragrances, anionic, cationic, nonionic or amphoteric surfactants, proteins, vitamins, silicones, mineral oils, vegetable oils, fatty esters, fatty ethers and pH modifiers, and mixtures thereof.
  • composition according to the invention may comprise one or more organic solvents other than C2-C4 monoalcohols.
  • polyols and polyol ethers such as pentylene glycol, hexylene glycol, caprylyl glycol, 2-butoxyethanol, propylene glycol, dipropylene glycol, propylene glycol monomethyl ether, diethylene glycol monoethyl ether and monomethyl ether, and also aromatic alcohols such as benzyl alcohol or phenoxyethanol, and mixtures thereof.
  • the organic solvents are present in a total content preferably of between 1% and 80% by weight approximately relative to the total weight of the composition, and more preferentially between 10% and 70% by weight approximately and even more particularly between 20% and 60% by weight relative to the total weight of the composition.
  • composition according to the invention may comprise water which is present in a content of less than 5% by weight, preferably less than 3% by weight, more preferentially less than 1% by weight relative to the weight of the composition.
  • the composition does not comprise water added during the preparation of the composition.
  • the water possibly present may correspond to the residual water provided by the mixed ingredients.
  • the composition according to the invention is anhydrous (0% water).
  • the aerosol device comprises at least one pressurized container comprising at least one propellant chosen from dimethyl ether b).
  • the propellant(s) b) may optionally be present in the composition a) as previously described.
  • the container of the device according to the invention can have rigid walls and can directly contain the composition a ).
  • the container can have rigid walls and can contain a flexible-walled pouch which contains the composition a).
  • the composition a) in the pouch may not comprise propellant b), the latter being in the volume defined between the rigid walls of the container and the pouch.
  • composition a) contained in the pouch itself also comprises at least one propellant b).
  • the composition a) comprises one or more propellants b), and is directly contained in the container of the device.
  • the device comprises a means for delivering the compositions, the means comprising at least one dispensing valve which surmounts the container.
  • the valve is in selective fluidic communication with the inside of the container via a valve inlet orifice, the communication being established in response to the actuation of an actuation means, such as a push-button.
  • the valve is then equipped with two inlet orifices, one of the orifices being able to communicate with the inside of the pouch and the other being able to communicate with the volume defined between the pouch and the rigid walls of the container.
  • the container When the container does not contain a pouch, it is equipped with a dip tube which makes it possible to convey the composition to the inlet orifice of the dispensing valve.
  • the inlet orifice of the valve opens into the pouch.
  • the device can comprise at least one diffuser which caps the valve.
  • the push-button may form part of the diffuser.
  • the diffuser may be equipped with one or more dispensing pipe(s) provided to convey the composition(s) up to one or more dispensing orifices.
  • the diffuser may comprise a single outlet orifice and diffusion branches that radiate from said orifice.
  • the diffuser comprises a plurality of outlet orifices.
  • the outlet orifices may be arranged so as to obtain a diffusion grille.
  • the pressurized container of the device according to the invention has rigid walls and directly contains the composition a).
  • composition a) comprises only dimethyl ether b) as propellant.
  • Dimethyl ether is present in the pressurized container according to the invention preferably in a total content ranging from 25% to 80% by weight, more preferentially from 30% to 70% by weight, better still from 35% to 60% by weight, even better still from 40% to 50% by weight relative to the total weight of the composition (packaged in the aerosol device).
  • the total weight of the composition corresponds to the total weight of the composition a).
  • the total weight of the composition corresponds to the weight of the composition a) + the weight of the propellant(s).
  • dimethyl ether b) is present in the pressurized container according to the invention in a total amount ranging from 25% to 80% by weight, more preferentially from 30% to 70% by weight, better still from 35% to 60% by weight, even better still from 40% to 50% by weight relative to the total weight of the composition a).
  • the total amount of anionic fixing polymer may range from 0.1% to 30% by weight relative to the weight of the composition a), preferably from 1% to 10% by weight relative to the weight of the composition a), with preference from 2% to 8% by weight, better still from 3% to 7% by weight relative to the total weight of the composition a).
  • the total amount of direct dye(s) may range from 0.001% to 3%, preferably from 0.005% to 1%, better still from 0.0075% to 0.5% relative to the total weight of the composition a).
  • the composition may also comprise one or more propellants other than dimethyl ether.
  • the additional propellants may be chosen from liquefied gases and compressed gases.
  • chlorinated and/or fluorinated hydrocarbons such as trichlorofluoromethane, dichlorodifluoromethane, chlorodifluoromethane, 1,1,1,2-tetrafluoroethane, chloropentafluoroethane, 1-chloro-1,1-difluoroethane or 1,1-difluoroethane, or volatile hydrocarbons, such as, in particular, C 3 -C 5 alkanes, such as propane, isopropane, n-butane, isobutane or pentane, and mixtures thereof.
  • the hydrocarbons are chosen from propane, isopropane, n -butane and isobutane, and mixtures thereof.
  • the total content of propellants (that is to say the total content of dimethyl ether + other propellant(s)) preferably ranges from 25% to 80% by weight, more preferentially from 30% to 70% by weight, better still from 35% to 60% by weight, even better still from 40% to 50% by weight relative to the total weight of the composition.
  • the content of compressed gases preferably ranges from 0.1% to 15% by weight, more preferentially from 1% to 10% by weight, better still from 1.5% to 8% by weight, relative to the total weight of the composition.
  • the propellants are pressurized, more particularly at least partially in liquid form.
  • the composition which is delivered from the pressurized container is in liquid form.
  • Another subject of the invention is a process for treating keratin fibres such as the hair, comprising the application to said fibres of a composition delivered from a device as defined above.
  • composition delivered by the aerosol device described above can be used on dry keratin fibres, preferably natural or bleached of blond and white light colours.
  • the keratin fibres have a tone depth of greater than or equal to 7, better still greater than 8, preferentially greater than 9.
  • the "tone" depths are based on the classification of natural shades from 1 to 10, a tone separating each shade from the one immediately following or preceding it (see “Science des Traitements Capillaires” [Science of Hair Treatments] by C. Zviak, published by Masson 1988, p. 278).
  • the application is uniform over the whole of the head of hair.
  • compositions according to the invention A to D were prepared.
  • compositions (g/100 g) AM Active material
  • the aerosol device according to the invention is actuated and the mixture is delivered in spray form.
  • Composition A was sprayed for 5 seconds onto each of the 2 sides of locks of 27 cm long bleached Caucasian hair (alkaline solubility 50) weighing 1 g, at a distance of 20 cm.
  • a* represents the green-red axis
  • b* represents the blue-yellow axis.
  • the chromaticity C* is calculated according to the formula:
  • the distribution of the product along the locks is homogeneous. The colour is therefore more uniform.
  • the fixing is natural and allows the hairstyle to be held.
  • composition A according to the invention and comparative composition B were prepared.
  • compositions (g/100 g) AM Active material
  • the compositions were packaged in a can with the following equipment:
  • the aerosol device according to the invention is actuated and the mixture is delivered in spray form.
  • composition A 2.4 g was sprayed onto each of the 2 sides of locks of 18 cm long washed and dried yak hair weighing 2.6 g, at a distance of 15 cm.
  • each expert observes the lock just after application of the composition, evaluating the neutralizing effect on the lock (less yellow, more natural colour).
  • each expert observes the lock just after application of the composition, evaluating the quantity of particles visible on the lock. The higher the score, the less residue there is.
  • the expert takes the lock between the thumb and index finger, folds the lock in two, and evaluates the resistance to folding. The higher the score, the easier the folding, and thus the more supple the lock.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Emergency Medicine (AREA)
  • Cosmetics (AREA)

Abstract

La présente invention concerne un dispositif aérosol comprenant : - au moins un récipient sous pression comprenant : a) au moins une composition comprenant : i) au moins un polymère à fixation anionique, ii) au moins un colorant direct et iii) au moins un monoalcool en C2-C4, et b) au moins un gaz propulseur choisi parmi l'éther diméthylique, la composition comprenant moins de 5 % en poids d'eau par rapport au poids total de la composition, et - un moyen d'administration de la composition. La présente invention concerne également un procédé de neutralisation des teintes jaunes et/ou orangées des fibres kératiniques qui ont été préalablement blanchies et/ou sont naturelles.
PCT/EP2023/084577 2022-12-09 2023-12-06 Dispositif aérosol à base de polymère à fixation anionique, de colorant direct, de monoalcool et d'éther diméthylique Ceased WO2024121250A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP23821219.5A EP4629960A1 (fr) 2022-12-09 2023-12-06 Dispositif aérosol à base de polymère à fixation anionique, de colorant direct, de monoalcool et d'éther diméthylique
CN202380083853.3A CN120379632A (zh) 2022-12-09 2023-12-06 基于阴离子定型聚合物、直接染料、一元醇和二甲醚的气溶胶装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2213054A FR3142899B1 (fr) 2022-12-09 2022-12-09 Dispositif aerosol a base de polymere fixant anionique, de colorant direct, de monoalcool et de dimethylether
FRFR2213054 2022-12-09

Publications (1)

Publication Number Publication Date
WO2024121250A1 true WO2024121250A1 (fr) 2024-06-13

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PCT/EP2023/084577 Ceased WO2024121250A1 (fr) 2022-12-09 2023-12-06 Dispositif aérosol à base de polymère à fixation anionique, de colorant direct, de monoalcool et d'éther diméthylique

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EP (1) EP4629960A1 (fr)
CN (1) CN120379632A (fr)
FR (1) FR3142899B1 (fr)
WO (1) WO2024121250A1 (fr)

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