A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/49 (2006.01) A61Q 5/06 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2619179
The object of the present patent application are agents for the oxidative coloring of keratin fibers, particularly hair, based on a developer substance- coupler substance combination, characterized in that they contain at least one meta-aminophenol derivative of general formula (I) , wherein Rl denotes hydrogen, a C1-C6 alkyl group, a C2-C4 hydroxyalkyl group, a C2-C4 dihydroxyalkyl group, a C1-C4 alkoxy group or a halogen atom; and R2 denotes hydrogen, a hydroxy group, a carboxylic group, an aminocarbonyl group or a hydroxymethyl group.
L'invention concerne des agents utilisés dans la coloration oxydante des fibres kératiniques, en particulier celles des cheveux, qui repose sur la combinaison substance révélatrice-substance copulante, ces agents étant caractérisés en ce qu'ils contiennent au moins un dérivé de méta-aminophénol de formule générale (I), dans laquelle R1 représente hydrogène, un groupe C1-C6 alkyle, un groupe C2-C4 hydroxyalkyle, un groupe C2-C4 dihydroxyalkyle, un groupe C1-C4 alcoxy ou un atome d'halogène; et R2 représente hydrogène, un groupe hydroxy, un groupe carboxylique, un groupe aminocarbonyle ou un groupe hydroxyméthyle.
Braun Hans-Juergen
Chassot Laurent
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
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