Patent ID: 6530960
Filing Date: 2003-03-11
Classification: A61K,A61Q

Abstract:
A composition for oxidation dyeing of keratin fibres comprising:(a) at least one oxidation base; (b) at least one coupler chosen from 2-substituted 5-aminoalkylphenol derivatives of formula (I) and the acid addition salts thereof: wherein: R1 is chosen from hydrogen atoms and C2-C5 acyl groups, optionally substituted; R2 is chosen from hydrogen atoms, C1-C4 alkyl groups, optionally substituted, C1-C4 alkoxy groups, optionally substituted, and amino groups, optionally substituted; R3 is chosen from hydrogen atoms, halogen atoms, C1-C4 alkoxy groups and C1-C4 monohydroxyalkoxy groups; and R4 is chosen from C1-C4 alkyl groups; and (c) at least one additional coupler chosen from meta-phenylenediamines, meta-aminophenols, meta-diphenols, heterocyclic couplers and the acid addition salts of any of the foregoing, in a medium suitable for dyeing.