Patent FR-2964864-A1 (FR)
Title: Cosmetic treatment of keratin materials comprises applying a cosmetic composition comprising at least one ortho-diphenol compound to the keratin materials
Inventor: RAMOS-STANBURY LAURE
IPC: A61K8/34
Filed: 2010-09-22
Abstract: Method of cosmetic treatment of keratin materials comprises applying, to the keratin materials, a cosmetic composition comprising at least one ortho-diphenol compound (I), and its salt or solvate. Method of cosmetic treatment of keratin materials comprises applying, to the keratin materials, a cosmetic composition comprising at least one ortho-diphenol compound of formula (I), and its salt or solvate. R1-R4 : H, halo, carboxyl group (COOH), 1-6C alkyl carboxylate group of formula (COOR), amine group of formula (NRR1a), linear 1-40C or branched 3-40C alkyl group (saturated) (optionally one or more non-adjacent carbon atoms are replaced by a divalent radical comprising -NR7, -S-, -O- and/or -C(O)-, preferably -OC(O)-, -C(O)-O-, -C(O)-NR7-, -NR7-C(O)- and/or -NR7-C(O)-NR7-, and optionally substituted by one or more OH and/or aryl group, which is optionally substituted by one or more 1-6C alkyl group, OH or NRR1a), linear 2-40C or branched 3-40C (poly)alkenyl group having one or more unsaturations (optionally one or more non-adjacent carbon atoms are replaced by a divalent radical comprising -NR7, -S-, -O- and/or -C(O)-, preferably -OC(O)-, -C(O)-O-, -C(O)-NR7-, -NR7-C(O)- and/or -NR7-C(O)-NR7-, and optionally substituted by one or more OH and/or aryl group, which is optionally substituted by one or more 1-6C alkyl group, OH or NRR1a), aryl group (optionally substituted by one or more 1-30C alkyl group optionally one or more non-adjacent carbon atoms are replaced by divalent radical comprising -NR7, -S-, -O- and/or -C(O)-, preferably -OC(O)-, -C(O)-O-, -C(O)-NR7-, -NR7-C(O)- and/or -NR7-C(O)-NR7-), a silicone polymer of formula (-L-(Si(T) 2-O) n-Si(T) 2-C mH 2 m + 1) or group of formula (-L1-(O-(CH 2x) p-O-CH 3), preferably R1, R3 and R4 is H; T : 1-20C alkyl group (preferably methyl or ethyl), 1-20C alkylamino (preferably aminoethyl), iminopropyl, aryl including phenyl, preferably T is methyl; L : a linker between the catechol unit and silicone chain, which linker is saturated 1-40C linear or 3-40C branched or 2-40C unsaturated hydrocarbon, where the chain is optionally interrupted by one or more O, C (O), -NH-, and/or NR7, including -C(O)O-, -OC(O)-, -C(O)NH-, -NHC(O)-, -NHC(O)NH-, or -OC(O)O-, and/or the chain is optionally substituted with one or more -OR5, -C(O)OR5, -C(O)NHR5, or -NR6R5; R5, R6 : H or 1-6C alkyl group; n : 2-3500; m : 1-6; L1 : saturated 1-40C linear or 3-40C branched or 2-40C unsaturated hydrocarbon chain, where the chain is optionally interrupted by one or more O, C (O), -NH-, and/or NR7, including -C(O)O-, -OC(O)-, -C(O)NH-, -NHC(O)-, or -NHC(O)NH-, -OC(O)O-, and/or the chain is optionally substituted with one or more -OR5, -C(O)OR5, -C(O)NHR5, or -NR6R5; R5, R6 : H or 1-6C alkyl group; x : 2 or 3; p : 5-200; R7 : H or 1-6C alkyl, optionally substituted by one or more 1-4C alkyl and/or OH; and R, R1a : H or 1-6C alkyl group. Provided that at least one of R1-R4 is different from H. Independent claims are included for: (1) ortho-diphenol compound of formula (Iaa); and (2) the cosmetic composition comprising (I) in a medium. R1a-R4a : H, a silicone polymer of formula (-L-(Si(T) 2-O) n-Si(T) 2-C mH 2 m + 1) or group of formula (-L1-(O-(CH 2x) p-O-CH 3); T : 1-20C alkyl group (preferably methyl or ethyl), 1-20C alkylamino (preferably aminoethyl), iminopropyl, aryl including phenyl, preferably T is methyl; L1, L : saturated 1-40C linear or 3-40C branched or 2-40C unsaturated hydrocarbon chain, where the chain is optionally interrupted by one or more O, C(O), -NH-, and/or NR7, including -C(O)O-, -OC(O)-, -C(O)NH-, -NHC(O)-, -NHC(O)NH-, or -OC(O)O-, and/or the chain is optionally substituted with one or more -OR5, -C(O)OR5, -C(O)NHR5, or -NR6R5; R5, R6 : H or 1-6C alkyl group; n : 2-3500; m : 1-6; x : 2 or 3; p : 5-200; R7 : H or 1-6C alkyl, optionally substituted by one or more 1-4C alkyl and/or OH; and R, R1a : H or 1-6C alkyl group. Provided that at least one of R1a, R2a, R3a and/or R4a is different from hydrogen. [Image] [Image].