Process for dyeing keratinous fibres combining isatin or its der

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8405, 8406, 8408, 8409, 8429, 424 70, 548485, A61K 713

Patent

active

051905647

ABSTRACT:
The invention relates to a process for dyeing keratinous fibres, comprising the simultaneous or sequential application of a composition (A) containing a compound of formula (I): ##STR1## in which: R.sub.1 denotes hydrogen, alkyl, acetyl, benzoyl, phenyl or C.sub.1 -C.sub.4 carboxyalyl (sic);

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French Search Report of FR 91 01186.

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