Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
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.
Fadli Aziz
Lagrange Alain
Terranova Eric
"L'Oreal"
Dusheck Caroline L.
Lieberman Paul
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