Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1992-03-04
1994-01-18
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8408, 8410, 548485, A61K 713
Patent
active
052796167
ABSTRACT:
The invention relates to a process for dyeing keratinous fibers, 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 carboxyalyl;
REFERENCES:
patent: 4013404 (1977-03-01), Parent et al.
patent: 4226595 (1980-10-01), Rose et al.
patent: 4750908 (1988-06-01), Rosenbaum et al.
patent: 4921503 (1990-05-01), Anderson et al.
French Search Report of FR 91 02614.
Cotteret Jean
Lang Gerard
"L'Oreal"
Lieberman Paul
Parks William S.
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