A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/49 (2006.01) A45D 19/00 (2006.01) A61K 8/41 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2249476
A composition for dyeing keratin fibres, particularly human hair, consisting of a medium suitable for use in dyeing and including, as the coupler, at least one compound of formula (I), wherein R¿1? is particularly hydrogen, alkyl, phenyl, substituted phenyl, cyano, carboxyl, etc., R¿2? is particularly hydrogen, halogen, alkoxy, aryloxy, acyloxy, acetamido, dialkylamino, etc., and each of Z¿a? and Z¿b? is a nitrogen atom or a carbon with a group R¿3? or R¿4? or R¿5?, with the proviso that one or both is/are a carbon atom, each of R¿3? and R¿4?, which are the same or different, is cyano, trifluoroalkyl, alkoxycarbonyl, aryloxycarbonyl, hydrogen, alkyl, carboxyl, etc., and R¿5? is particularly hydrogen, aryl, alkoxy, alkylthio, etc., as well as at least one oxidation base, is disclosed.
La présente invention a pour objet une composition pour la teinture des fibres kératiniques, en particulier des cheveux humains, contenant dans un milieu approprié pour la teinture, au moins: à titre de coupleur au moins un composé de formule (I) dans laquelle R1 désigne notamment hydrogène, alkyle, phényle, phényle substitué, cyano, carboxyle, ...; R2 désigne notamment hydrogène, halogène, alcoxy, aryloxy, acyloxy, acétamido, dialkylamino, ...; Za et Zb désignent un atome d'azote ou un carbone porteur d'un groupe R3 ou R4 ou R5 sous réserve qu'au moins l'un des deux soit un atome de carbone; R3 et R4, indépendants, désignent cyano, trifluoroalkyle, alcoxycarbonyle, aryloxycarbonyle, hydrogène, alkyle, carboxyle, ...; R5 désigne notamment hydrogène, aryle, alcoxy, alkylthio, ...; et au moins une base d'oxydation.
Malle Gerard
Vidal Laurent
L'oreal
Robic
LandOfFree
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