Compositions for dyeing keratinous fibers and keratinous fiber d

Details Compositions for dyeing keratinous fibers and keratinous fiber d Compositions for dyeing keratinous fibers and keratinous fiber d

1996-07-12

1998-01-06

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8407, 8408, 8423, A61K 713

Patent

active

057049483

ABSTRACT:
A composition for the oxidation dyeing of keratinous fibers containing at least one coupler selected from N-substituted 4-hydroxyindole compounds and acid addition salt thereofs and at least one oxidation base, N-substituted 4-hydroxyindole compounds, a process for synthesizing these substituted compounds, their use as couplers for the oxidation dyeing of keratinous fibers in combination with at least one oxidation base, as well as dyeing processes employing them.

REFERENCES:
patent: 3503990 (1970-03-01), Schoen et al.
patent: 4932977 (1990-06-01), Schultz
patent: 5609649 (1997-03-01), Junino et al.
English language Derwent Abstract of EP-A-428441, May/1991.
English language Derwent Abstract of WO-A-9217157, Oct./1992.

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