Hair dye coupler and process for making

Details Hair dye coupler and process for making Hair dye coupler and process for making

1987-12-21

1989-06-13

Hollrah, Glennon H.

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8421, 564353, 564354, 564442, 564443, A61K 713, C07C 9306, C07C 9144

Patent

active

048388947

ABSTRACT:
A substituted m-aminophenol coupler useful in hair dyeing having the formula ##STR1## and acid addition salts thereof wherein x and y are selected from the group consisting of halogen and the groups OR of which R is the same or different alkyl, aminoalkyl or hydroxyalkyl groups, at least one of x or y being a group OR and a process for preparing these compounds.

REFERENCES:
patent: 3541323 (1971-07-01), Kalopissis et al.
patent: 3811831 (1974-05-01), Bugaut et al.
patent: 4180679 (1979-12-01), Kapoor
patent: 4346242 (1982-08-01), Spatz
patent: 4588410 (1986-05-01), Konrad et al.
Lubs, H. A., Editor, "The Chemistry of Synthetic Dyes & Pigments", Reinhold Pub. Co., N.Y. (1955), pp. 670-673.

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