Nitroso compounds as direct dyes

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

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Details

8414, 8428, 8429, A61K 713

Patent

active

050007556

ABSTRACT:
4-nitroso anilines and cosmetically acceptable salts thereof are employed as direct dyes. Compositions for dyeing keratin fibers and containing said 4-nitroso anilines and an alkalizing agent are also disclosed.

REFERENCES:
patent: 4473374 (1984-09-01), Bugaut et al.

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