C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/04 (2006.01) C07D 231/20 (2006.01) C07D 231/46 (2006.01) C07D 231/54 (2006.01)
Patent
CA 2487748
The invention relates to a composition for dyeing the keratin fibre, especially human keratin fiber such as hair contains at least one diamino-N, N-dihydropyrazolone derivative as an oxidation base, and a method for using the same is also provided. Similarly, one of amino-N, N-dihydropyrazolone derivative or its adduct salts and one of the diamino-N, N-dihydropyrazolone derivative or its adduct salts and the methods for producing them are provided. Thereby, it is possible to obtain a color tone of the keratin fibre, especially having fastness, and resistance for light and washing.
L'invention a pour objet une composition pour la teinture des fibres kératiniques, et en particulier des fibres kératiniques humaines telles que les cheveux, comprenant au moins un dérivé de diamino-N,N-dihydropyrazolone, à titre de base d'oxydation et un procédé la mettant en oeuvre. Elle a de même pour objet des dérivés d'amino-N,N-dihydropyrazolone ou un de ses sels d'addition ainsi que des dérivés de diamino-N-N-dihydropyrazolone ou un de ses sels d'addition en tant que tels et leur obtention. La présente invention permet en particulier d'obtenir une coloration des fibres kératiniques, tenace, résistante à la lumière et au lavage.
Fadli Aziz
Vidal Laurent
L'oreal
Robic
LandOfFree
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