Cosmetic composition containing cationic polymers and anionic latexes
AssigneeL'oreal
InventorsJean F. Grollier, Claude Dubief
Life of this patent
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Abstract
A composition suitable for treating the hair, nails and/or skin, which comprises, in an appropriate medium, at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in the polymer chain or joined thereto, and at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase.
Claims15
A process for treating hair, nails and/or skin, which comprises applying to hair, nails and/or skin a cosmetically acceptable medium containing about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, and about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii).
A composition for treating the hair, nails and/or skin, which comprises, in a cosmetically acceptable medium for application to hair, nails and/or skin, about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii), and at least one cationic or amphoteric surface-active agent.
A composition for treating the hair, nails and/or skin, which comprises, in a cosmetically acceptable medium for application to hair, nails and/or skin, about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 1.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii), and wherein the cosmetically acceptable medium contains a monoalcohol, polyol, glycol ether or ester thereof or a fatty acid ester of a lower alcohol, in an amount up to 95% by weight.
A composition for treating the hair, nails and/or skin, which comprises, in a cosmetically acceptable medium for application to hair, nails and/or skin, about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii), and as an electrolyte, an alkali metal or alkaline earth metal salt of a mineral or organic acid.
A process for treating the hair, nails and/or skin, which comprises, applying to hair, nails and/or skin a costmetically acceptable medium containing about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or alternatively by (iv) the introduction of end groups via a chain transfer reaction in the process (ii), and at least one preservative, sequestering agent, thickener, emulsifying agent, softener or form stabilizer.
A composition for treating the hair, nails and/or skin, which comprises, in a cosmetically acceptable medium for application to hair, nails and/or skin, about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii) and wherein the composition is in the form of a cream, emulsion, or gel, or packaged in an aerosol can in the form of a spray or foam.
A process for treating hair comprising forming in situ on the hair a hair treating composition by first applying to the hair in a cosmetically acceptable medium about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polyamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, and subsequently applying to the hair about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers, during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii).
A process for treating the hair, nails and/or skin, which comprises, applying to hair, nails and/or skin a cosmetically acceptable medium containing about 0.01 to 10% by weight of at least one cationic polymer of the polyamine, polyamino polamide or poly-(quaternary ammonium) type containing amine or ammonium groups in or joined to the polymer chain, said cationic polymer having a molecular weight of 500 to 3,000,000, about 0.01 to 10% by weight of at least one anionic latex which is in the form of a colloidal suspension of particles of polymers containing anionic functional groups, in an aqueous or organic liquid phase, said anionic functional groups being introduced by (i) the polymerization or copolymerization of anionic monomers, by (ii) combination of an anionic free radical derived from a reaction initiator with one or more monomers,during the initiation of the polymerization of the said monomer(s), by (iii) the juxtaposition of these two processes, or by (iv) the introduction of end groups via a chain transfer reaction in the process (ii) and wherein the composition is an aqueous-alcoholic dispersion, emulsion, thickened lotion or gel.
Dependencies are inferred from the claim text.