Paraphenylenediamines, tinctorial compositions holding same...

C - Chemistry – Metallurgy – 07 – C

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C07C 217/08 (2006.01) C09B 57/00 (2006.01) D06P 3/08 (2006.01)

Patent

CA 1121830

PRECIS DE LA DIVULGATION : La présente invention a pour objet de nouvelles paraphénylènediamines de formule générale : Image (I) dans laque R représente un radical alkyle substitué ou alcoxy- alkyl, le groupe alkyl comportant de 1 à 4 atomes de carbone, n étant égal à 2 ou 3, ainsi que les sels d'acides correspon- dants. Ces paraphénylènediamines présentent simultanément une bonne innocuité à l'application en teinture pour cheveux et une bonne stabilité des nuances obtenues au cours du temps.

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