Patent ID: 7070629
Filing Date: 2006-07-04
Classification: A61K,A61Q

Abstract:
1. A dye composition comprising, in a suitable dyeing medium, at least one first oxidation base chosen from 4,5-diaminopyrazole oxidation bases of formula (I) and addition salts thereof: wherein R 1 is chosen from C 1 -C 6 alkyl radicals substituted with least one radical OR, wherein R is chosen from C 1 -C 6 alkyl radicals; at least one second oxidation base chosen from para-phenylenediamine derivatives of formula (II) and addition salts thereof: wherein: Z represents the atoms required to form a 3- to 8-membered saturated ring, wherein the atoms are optionally chosen from carbon and nitrogen atoms, and the ring may optionally be substituted; R at least one coupler.