Hair dye compositions containing anthraquinone dyes having a qua

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8405, 8606, 8657, 8675, A61K 713

Patent

active

058912002

ABSTRACT:
Anthraquinone compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are methyl and R.sub.3 is propyl, or R.sub.1 and R.sub.2 are ethyl and R.sub.3 is methyl and A is a cosmetically acceptable anion, are combined neutral, with semipermanent direct dyes in hair dyeing compositions.

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patent: 4009189 (1977-02-01), Baserga
patent: 4123222 (1978-10-01), Loew
patent: 4168144 (1979-09-01), Curry et al.
patent: 4296044 (1981-10-01), Duchradt et al.
patent: 4393007 (1983-07-01), Priester et al.
patent: 4655970 (1987-04-01), Priester et al.
patent: 4886517 (1989-12-01), Bugault et al.

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