Patent ID: 6306180
Filing Date: 2001-10-23
Classification: A61K,A61Q

Abstract:
A composition for the oxidation dyeing of keratinous fibres wherein said composition comprises, in a medium suitable for dyeing:at least one first coupler chosen from 2-chloro-6-methyl-3-aminophenol and acid addition salts thereof;at least one oxidation base; andat least one additional coupler chosen from meta-aminophenols and meta-phenylenediamines,wherein said meta-aminophenols are chosen from compounds of formula (V) and their acid-addition salts: ##STR9##in which:R.sub.19 represents a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical, a C.sub.1 -C.sub.4 monohydroxyalkyl radical or a C.sub.2 -C.sub.4 polyhydroxyalkyl radical,R.sub.20 represents a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical, a C.sub.1 -C.sub.4 alkoxy radical or a halogen atom chosen from chlorine, bromine and fluorine,R.sub.21 represents a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical, a C.sub.1 -C.sub.4 alkoxy radical, a C.sub.1 -C.sub.4 monohydroxyalkyl radical, a C.sub.2 -C.sub.4 polyhydroxyalkyl radical, a C.sub.1 -C.sub.4 monohydroxyalkoxy radical, or a C.sub.2 -C.sub.4 polyhydroxyalkoxy radical;with a first proviso that said composition does not simultaneously include 2-(.beta.-hydroxyethyly-para-phenylenediamine and 2-methyl-5-aminophenol;with a second proviso that said composition does not simultaneously include 2-(.beta.-hydroxyethyl)-para-phenylenediamine and a pyrimidine derivative;with a third proviso that said composition does not simultaneously include para-toluylenediamine and a pyridine derivative; andwith a fourth proviso that said composition does not include a para-aminophenol.