# US 7,410,636 B2 · Cosmetic composition comprising a polymer and fibres > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,410,636 B2 - Document ID: US7410636B2 - Status: Granted - Kind: B2 - Application number: 10/450,108 - Filed: 2001-12-11 - Published: 2004-02-12 - Granted: 2008-08-12 - Earliest claimed: 2000-12-12 - Assignees: L'oreal - Inventors: Nathalie Collin - Web page: https://patentgrep.com/patent/US7410636B2 ## CPC - A61K 8/922: {of vegetable origin} - A61K 8/88: Polyamides - A61Q 1/02: Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12) - A61Q 1/10: for eyes, e.g. eyeliner, mascara - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS ## Abstract The invention relates to a composition comprising, in a physiologically acceptable medium containing a fatty phase, a polymer with a weight-average molecular mass of less than 100 000 and in particular ranging from 1 000 to 30 000, comprising a) a polymer skeleton containing hydrocarbon-based repeating units containing at least one hetero atom, and optionally b) pendent fatty chains and/or terminal fatty chains, which may be functionalized, containing from 6 to 120 carbon atoms and being linked to these units, and fibres. ## Claims ### Claim 1 A composition comprising, in a physiologically acceptable medium comprising at least one fatty phase, at least one fiber; and at least one first polymer chosen from polymers of formula (I) below: wherein: n is a number of amide units such that the number of ester groups represents from 10% to 50% of the total number of the ester groups and of the amide groups in the at least one first polymer; R1, which may be identical or different, is chosen from alkyl and alkenyl groups comprising at least 4 carbon atoms; R2, which may be identical or different, is chosen from C4 to C42 hydrocarbon-based groups, provided that 50% of the groups are chosen from C30 to C42 hydrocarbon-based groups; R3, which may be identical or different, is chosen from organic groups comprising at least 2 carbon atoms, hydrogen atoms, and optionally at least one atom chosen from oxygen and nitrogen atoms; and R4, which may be identical or different, is chosen from a hydrogen atom, C1 to C10 alkyl groups, a direct bond to R3, and a direct bond to another R4, such that the nitrogen atom to which R3 and R4 are both attached forms part of a heterocyclic structure defined by R4—N—R3, wherein at least 50% of the groups R4 are hydrogen atoms. ### Claim 2 (depends on 1) The composition according to claim 1, wherein, in the formula (I), R1, which may be identical or different, is chosen from C12 to C22 alkyl groups. ### Claim 3 (depends on 1) The composition according to claim 1, wherein, in the formula (I), R2, which may be identical or different, is chosen from C30 to C42 hydrocarbon-based groups. ### Claim 4 (depends on 1) The composition according to claim 1, wherein the at least one first polymer is present in an amount ranging from 0.01% to 10% by weight, relative to the total weight of the composition. ### Claim 5 (depends on 1) The composition according to claim 1, wherein the at least one fiber is chosen from silk, cotton, wool, and flax fibers; cellulose fibers; polyamide, cork, sugar cane, rayon and viscose fibers; acetate fibers; poly-(p-phenyleneterephthalamide) fibers; acrylic polymer fibers; polyolefin fibers; glass, silica, and carbon fibers; polytetrafluoroethylene, insoluble collagen, polyester, polyvinyl chloride and polyvinylidene chloride; polyvinyl alcohol, polyacrylonitrile, chitosan, polyurethane and polyethylene phthalate fibers; fibers formed from mixtures of polymers; and surgical fibers. ### Claim 6 (depends on 5) The composition according to claim 5, wherein the cellulose fibers are chosen from those extracted from wood, plants, and algae. ### Claim 7 (depends on 5) The composition according to claim 5, wherein the acetate fibers are chosen from rayon acetate, cellulose acetate, and silk acetate fibers. ### Claim 8 (depends on 5) The composition according to claim 5, wherein the acrylic polymer fibers are chosen from polymethyl methacrylate and poly-2-hydroxyethyl methacrylate fibers. ### Claim 9 (depends on 5) The composition according to claim 5, wherein the polyolefin fibers are chosen from polyethylene and polypropylene fibers. ### Claim 10 (depends on 5) The composition according to claim 5, wherein the carbon fibers are in graphite form. ### Claim 11 (depends on 1) The composition according to claim 1, wherein the at least one fiber is chosen from fibers of synthetic origin. ### Claim 12 (depends on 1) The composition according to claim 1, wherein the at least one fiber comprises at least one chemical group chosen from groups of the same chemical nature as that of the units of the at least one first polymer and groups capable of forming physical bonds of the same type as that of the units of the at least one first polymer. ### Claim 13 (depends on 1) The composition according to claim 1, wherein the at least one fiber is chosen from hydrophobic-treated fibers. ### Claim 14 (depends on 1) The composition according to claim 1, wherein the at least one fiber is chosen from polyamide fibers and poly-(p-phenyleneterephthamide) fibers. ### Claim 15 (depends on 1) The composition according to claim 1, wherein the at least one fiber has a length L and a diameter D such that L/D ranges from 1.5 to 2500. ### Claim 16 (depends on 1) The composition according to claim 1, wherein the at least one fiber has a length ranging from 1 nm to 20 mm. ### Claim 17 (depends on 1) The composition according to claim 1, wherein the at least one fiber is present in an amount ranging from 0.1% to 40% by weight, relative to the total weight of the composition. ### Claim 18 (depends on 1) The composition according to claim 1, further comprising at least one wax. ### Claim 19 (depends on 1) The composition according to claim 1, further comprising at least one volatile oil. ### Claim 20 (depends on 1) The composition according to claim 1, further comprising at least one organic solvent. ### Claim 21 (depends on 1) The composition according to claim 1, further comprising at least one non-volatile oil. ### Claim 22 (depends on 1) The composition according to claim 1, wherein the at least one fatty phase is present in an amount ranging from 2% to 98% by weight, relative to the total weight of the composition. ### Claim 23 (depends on 1) The composition according to claim 1, further comprising at least one aqueous phase. ### Claim 24 (depends on 1) The composition according to claim 1, further comprising at least one second film-forming polymer which is different from the at least one first polymer. ### Claim 25 (depends on 24) The composition according to claim 24, wherein the at least one second film-forming polymer is chosen from vinyl polymers, polyurethanes, polyesters, polyamides, polyureas and cellulose polymers. ### Claim 26 (depends on 1) The composition according to claim 1, further comprising at least one dyestuff. ### Claim 27 (depends on 1) The composition according to claim 1, further comprising at least one additive chosen from water, antioxidants, fillers, preserving agents, fragrances, neutralizing agents, thickeners, and cosmetic and dermatological active agents. ### Claim 28 (depends on 1) The composition according to claim 1, wherein the composition is provided in a form chosen from mascaras, eyeliners, products for eyebrows, products for lips, face powders, eyeshadows, foundations, make-up products for a body, concealer products, nail varnishes, skincare products and haircare products. ### Claim 29 (depends on 1) The composition according to claim 1, wherein the at least one first polymer is chosen from ethylenediamine/stearyl dimer tallate copolymer. ### Claim 30 (depends on 1) The composition according to claim 1, wherein the at least one first polymer is chosen from ethylenediamine/stearyl dimer dilinoleate copolymer. ### Claim 31 A mascara comprising, in a physiologically acceptable medium comprising at least one fatty phase, at least one fiber; and at least one first polymer chosen from polymers of formula (I) below: wherein: n is a number of amide units such that the number of ester groups represents from 10% to 50% of the total number of the ester groups and of the amide groups in the at least one first polymer; R1, which may be identical or different, is chosen from alkyl and alkenyl groups comprising at least 4 carbon atoms; R2, which may be identical or different, is chosen from C4 to C42 hydrocarbon-based groups, provided that 50% of the groups R2 are chosen from C30 to C42 hydrocarbon-based groups; R3, which may be identical or different, is chosen from organic groups comprising at least 2 carbon atoms, hydrogen atoms, and optionally at least one atom chosen from oxygen and nitrogen atoms; and R4, which may be identical or different, is chosen from a hydrogen atom, C1 to C10 alkyl groups, a direct bond to R3, and a direct bond to another R4, such that the nitrogen atom to which R3 and R4 are both attached forms part of a heterocyclic structure defined by R4—N—R3, wherein at least 50% of the groups R4 are hydrogen atoms. ### Claim 32 A cosmetic process for making up and/or caring for a keratin material of a human being, comprising applying to the keratin material a composition comprising, in a physiologically acceptable medium comprising at least one fatty phase, at least one fiber; and at least one first polymer chosen from polymers of formula (I) below: wherein: n is a number of amide units such that the number of ester groups represents from 10% to 50% of the total number of the ester groups and of the amide groups in the at least one first polymer; R1, which may be identical or different, is chosen from alkyl and alkenyl groups comprising at least 4 carbon atoms; R2, which may be identical or different, is chosen from C4 to C42 hydrocarbon-based groups, provided that 50% of the groups R2 are chosen from C30 to C42 hydrocarbon-based groups; R3, which may be identical or different, is chosen from organic groups comprising at least 2 carbon atoms, hydrogen atoms, and optionally at least one atom chosen from oxygen and nitrogen atoms; and R4, which may be identical or different, is chosen from a hydrogen atom, C1 to C10 alkyl groups, a direct bond to R3, and a direct bond to another R4, such that the nitrogen atom to which R3 and R4 are both attached forms part of a heterocyclic structure defined by R4—N—R3, wherein at least 50% of the groups R4 are hydrogen atoms. ### Claim 33 A method for obtaining a deposit which adheres to a keratin material comprising applying to the keratin material a composition comprising, in a physiologically acceptable medium comprising at least one fatty phase, at least one fiber; and at least one first polymer chosen from polymers of formula (I) below: wherein: n is a number of amide units such that the number of ester groups represents from 10% to 50% of the total number of the ester groups and of the amide groups in the at least one first polymer; R1, which may be identical or different, is chosen from alkyl and alkenyl groups comprising at least 4 carbon atoms; R2, which may be identical or different, is chosen from C4 to C42 hydrocarbon-based groups, provided that 50% of the groups R2 are chosen from C30 to C42 hydrocarbon-based groups; R3, which may be identical or different, is chosen from organic groups comprising at least 2 carbon atoms, hydrogen atoms, and optionally at least one atom chosen from oxygen and nitrogen atoms; and R4, which may be identical or different, is chosen from a hydrogen atom, C1 to C10 alkyl groups, a direct bond to R3, and a direct bond to another R4, such that the nitrogen atom to which R3 and R4 are both attached forms part of a heterocyclic structure defined by R4—N—R3, wherein at least 50% of the groups R4 are hydrogen atoms, wherein said composition is applied in an amount effective for obtaining a deposit which adheres to the keratin material. ### Claim 34 A method for thickening and/or lengthening eyelashes comprising applying to the eyelashes a mascara comprising, in a physiologically acceptable medium comprising at least one fatty phase, at least one fiber; and at least one first polymer chosen from polymers of formula (I) below: wherein: n is a number of amide units such that the number of ester groups represents from 10% to 50% of the total number of the ester groups and of the amide groups in the at least one first polymer; R1, which may be identical or different, is chosen from alkyl and alkenyl groups comprising at least 4 carbon atoms; R2, which may be identical or different, is chosen from C4 to C42 hydrocarbon-based groups, provided that 50% of the groups R2 are chosen from C30 to C42 hydrocarbon-based groups; R3, which may be identical or different, is chosen from organic groups comprising at least 2 carbon atoms, hydrogen atoms, and optionally at least one atom chosen from oxygen and nitrogen atoms; and R4, which may be identical or different, is chosen from a hydrogen atom, C1 to C10 alkyl groups, a direct bond to R3, and a direct bond to another R4, such that the nitrogen atom to which R3 and R4 are both attached forms part of a heterocyclic structure defined by R4—N—R3, wherein at least 50% of the groups R4 are hydrogen atoms.