Patent FR-2922759-A1 (FR)
Title: Non-lightening composition for direct coloring of human keratin fibers, preferably hair, comprises aminosilicon compounds and direct dyes having hydrophobic character
Inventor: HERCOUET LEILA
IPC: A61K8/37
Filed: 2007-10-31
Abstract: Non-lightening composition for direct coloring of human keratin fibers, comprises one or more aminosilicon compounds (I) and one or more direct dyes having hydrophobic character, where the composition has water content of lower than 10 wt.%. Non-lightening composition for direct coloring of human keratin fibers, comprises one or more aminosilicon compounds of formula (H 2N-R 4-Si(R 1)(R 2)(R 3)) (I) and one or more direct dyes having hydrophobic character, where the composition has water content of lower than 10 wt.%. R 1, R 21-20C, preferably 1-4C alkyl, 1-20C, preferably 1-4C alkoxy, 6-30C aryl, preferably phenyl, 2-20C, preferably 2-4C alkenyl, 2-20C, preferably 2-4C alkenyloxy, OH or OSi(R a)(R b)(R c); R a1-4C alkyl, preferably methyl or ethyl (optionally substituted by NH-(CH 2) v-NH 2), or 1-4C alkoxy; v : 1-5; R b1-4C alkyl, preferably methyl or ethyl, or 1-4C alkoxy; R c1-4C alkyl, preferably methyl or ethyl, 1-4C alkoxy, OSi(R c 1) 3or OSi(R c 1)(OSi(R c 2) 3)(CH 2) v 1(CH 2) vNH 2; R c 1, R c 21-4C alkyl, preferably methyl or ethyl, or OSi(R e 1) u(Z 1-NH 2) u 1-(Z 2) w-(NH-Z 3) u 2-(Si(R e 2) 2) w 1-(OSi(R e 3) 2) w 2-Z 3; R e 1-R e 31-4C alkyl, preferably methyl or ethyl; either u1, u2 : 0 or 1; or u+u1 : 2; w, w1 : 0 or 1; w2 : 0-4; Z 1, Z 21-10C, preferably 1-4C alkylene; Z 31-4C alkyl, preferably methyl or ethyl, 2-4C, preferably 2C alkenylene; R 31-20C, preferably 1-4C alkyl, 1-20C, preferably 1-4C alkoxy, 6-30C aryl, preferably phenyl, 2-20C, preferably 2-4C alkenyl, 2-20C, preferably 2-4C alkenyloxy or W 1Si(R d)(R e)(R f); W 1O or 1-10C alkylene; R d1-4C alkyl, preferably methyl or ethyl, or OSi(R d 1) 3; R d 11-4C alkyl, preferably methyl or ethyl, 2-10C, preferably 2-4C alkenyl or 1-4C alkoxy, preferably methoxy or ethoxy; R e1-4C alkyl, preferably methyl or ethyl (optionally substituted by amino or NH-(CH 2) v 3-NH 2), 2-10C, preferably 2-4C alkenyl, OSi(R e 1) u(Z 1-NH 2) u 1-(Z 2) w-(NH-Z 3) u 1-(Si(R e 2) 2) w 1-(OSi(R e 3) 2) w 2-Z 3; v1-v3 : 1-5; R e 1-R e 31-4C alkyl, preferably methyl or ethyl; R f1-4C alkyl, preferably methyl or ethyl, 2-10C, preferably 2-4C alkenyl, OSi(R f 1) 2-Z 4-NH 2or OSi(R f 2) 3; R f 1, R f 21-4C alkyl, preferably methyl or ethyl; Z 41-10C, preferably 1-4C alkylene; R 4a-(O-Si(R 5) 2) g-(Z 5(R 6) h) i-(NH-Z 6) j-(Q-(Z 7) l 1(R 7) l) k-(N(R 8)-Z 8) m-(NH-CO) n-(Z 9) p-(Y 1-Z 1 0(R 9) q) r-(CO-(NH-Z 1 1) t) s-b; R 51-4C alkyl, preferably methyl or ethyl; R 61-4C alkyl, preferably methyl or ethyl, optionally substituted by NH 2, OH, CN, Z 1 2NH 2, Z 1 3NHZ 1 4NH 2, 2-10C, preferably 2-4C alkenyl, 6-30C aryl, preferably phenyl, or Si(CH 3) 3; Z 1 2-Z 1 41-20C, preferably 1-4C alkylene; R 7, R 91-4C alkyl or OH; R 81-4C alkyl, preferably methyl or ethyl (optionally substituted by OH or carboxy), 2-10C, preferably 2-4C alkenyl, Z 1 5NH 2, Z 1 6R 8 a, Si(CH 3) 3or Z 1 7SiOSi(R 1 a) 2(R 1 b); R 1 a1-4C alkoxy, preferably methoxy or ethoxy; R 1 b1-4C alkyl, preferably methyl or ethyl; Z 1 5-Z 1 71-20C, preferably 1-4C alkylene; R 8 a6-30C aryl, preferably phenyl; Z 5-Z 1 11-20C alkylene or 1-20C alkenylene; Q : 5-8 membered cycle or polycycle (optionally substituted by OH and optionally comprising one or more heteroatoms); Y 1O, S or NH; g, i, k-n, l1, p, q, s : 0 or 1; h : 0-5; j, r : 0-3; t : 1 or 2; a : bond with the silicon atom; and b : bond with the nitrogen atom of amino group.