Patent ID: 9125834
Filing Date: 2015-09-08
Classification: A61K,A61Q

Abstract:
1. A composition for dyeing keratin fibers, comprising, in a cosmetically acceptable dyeing medium: a) at least one oxidation base chosen from wherein: R wherein m and n are integers, which may be identical or different, ranging from 0 to 3, X is chosen from oxygen atoms and NH groups, Y is chosen from hydrogen atoms and C 1 -C 4 alkyl radicals, and Z is a methyl radical when n is equal to 0, or Z is chosen from C 1 -C 4 alkyl radicals, OR groups, and NR″R′″ groups when n is greater than or equal to 1, wherein R″ and R″′, which may be identical or different, are chosen from hydrogen atoms and C 1 -C 4 alkyl radicals; or R wherein: R  wherein R″′ is chosen from oxygen and nitrogen atoms, Q is chosen from oxygen atoms, NH groups, and NH(C wherein: Z R′ wherein when Z R′ X is chosen from ions and groups of ions that provide the electronegativity of the derivative of formula (II); wherein: R wherein R b) at least one coupler chosen from 4-aminoindole derivatives of formula (IIa), and addition salts, solvates, and solvates of the salts thereof: wherein: