Compositions for dyeing keratinous fibers containing n-substitut

Details Compositions for dyeing keratinous fibers containing n-substitut Compositions for dyeing keratinous fibers containing n-substitut

1997-09-18

1999-02-09

Powers, Fiona T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548509, C07D20932

Patent

active

058696920

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.

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patent: 4932977 (1990-06-01), Schultz
patent: 5609649 (1997-03-01), Junino et al.
Troxler et al., Helv. Chim. Acta, 42 (1959), 2073-2103.
Chemical Abstracts, Chemical Substance Index, vol. 109, 1988, 4945CS.
Somei et al., Chemical Abstracts, 109:110253m (1988).
English language Derwent Abstract of EP-A-428441, (May 22, 1991).
English language Derwent Abstract of WO-A-9217157, (Oct. 15, 1992).

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