Use of monobenzene cationic nitroanilines in dyeing keratin...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 233/96 (2006.01)

Patent

CA 2294892

L'invention a pour objet l'utilisation de nitroanilines cationiques monobenzéniques dont au moins une charge cationique est délocalisée sur un hétérocycle polyazoté insaturé à 5 chaînons, leur utilisation à titre de colorants directs dans des compositions destinées à la teinture des matières kératiniques, en particulier des fibres kératiniques humaines telles que les cheveux, les compositions de teinture les contenant et les procédés de teinture directe mettant en oeuvre ces compositions.

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