Hair dye compositions containing 3,5-diamino-2-substituted-alkyl

Details Hair dye compositions containing 3,5-diamino-2-substituted-alkyl Hair dye compositions containing 3,5-diamino-2-substituted-alkyl

1977-06-20

1979-10-16

Thomas, Jr., James O.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 11, 8 32, 260571, 260575, A61K 713, C07C 9142, C07C 9314

Patent

active

041712030

ABSTRACT:
Dyestuffs of the oxidizable developer-coupler type wherein the coupler is a 3,5-diamino-2-substituted-alkylbenzene of the formula ##STR1## wherein R.sub.1 is straight- or branched-chain alkyl of 1-8 carbon atoms, R.sub.2 is a straight- or branched-chain alkyl of 1-8 carbon atoms, phenyl, or phenyl substituted by alkyl of 1-4 carbon atoms or halogen atoms and the inorganic and organic salts thereof are very satisfactory for coloring hair. They are readily oxidized by atmospheric oxygen at room temperature without a catalyst, and they provide intense, bright and fast dyeings in a short tie. They are applied in conventional manner from an aqueous medium.

REFERENCES:
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patent: 3210252 (1965-10-01), Blanke et al.
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patent: 3884627 (1975-05-01), Brody et al.
patent: 4003699 (1977-01-01), Rose et al.
patent: 4031160 (1977-06-01), Kalopissis et al.
patent: 4065255 (1977-12-01), Andrillon et al.

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