Diazamerocyanines for dyeing keratinous fibers

Details Diazamerocyanines for dyeing keratinous fibers Diazamerocyanines for dyeing keratinous fibers

1975-03-03

1976-10-12

Thomas, Jr., James O.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 10, 8 43, 260152, 260156, 260157, 260158, 2602475R, 260296R, 260302H, 260305, 2603092, 260310C, 424DIG2, 260244R, A61K 713

Patent

active

039854990

ABSTRACT:
Some novel diazo compounds, and salts thereof, useful for dyeing keratinous fibers, particularly human hair are disclosed. Illustrative of these compounds are the methyl sulfate salts of 1'-(4'-N,N-dimethylaminobenzene) 2-azo 4-cyano 1-methyl pyridinium methyl sulfate and 1'-(4'-amino 8'-hydroxy naphthalene) 2-azo 1-methyl pyridinium. Hair setting lotions, hair dye compositions and hair lacquers containing these compounds, preferably in alcoholic solutions, are also disclosed.

REFERENCES:
patent: 2951847 (1960-09-01), Baumann et al.
patent: 3043828 (1962-07-01), Hugnig
patent: 3499902 (1970-03-01), Coles et al.

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