Process for dyeing keratinous fibers combining isatin or its der

Details Process for dyeing keratinous fibers combining isatin or its der Process for dyeing keratinous fibers combining isatin or its der

1992-03-04

1993-11-16

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8405, 8408, 8409, A61K 713

Patent

active

052619265

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

REFERENCES:
patent: 4566875 (1986-01-01), Grollier et al.
patent: 4750908 (1988-06-01), Rosenbaum et al.
patent: 4921503 (1990-05-01), Anderson et al.
patent: 5137538 (1992-08-01), Madrange et al.
French Search Report of FR 91 02915.

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