Dyeing composition for human hair containing an azo dye

Details Dyeing composition for human hair containing an azo dye Dyeing composition for human hair containing an azo dye

1988-10-31

1989-12-12

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8408, 8410, 8414, 8415, 8431, 534857, 534887, A61K 712, C07C10706, C09B 2901, C09B 29085

Patent

active

048865176

ABSTRACT:
The present invention relates to a composition for dyeing keratinic fibres, and human hair in particular, comprising the azo dye of formula: ##STR1## optionally in combination with at least one nitro benzene dye or with at least one aminoanthraquinone dye or with at least one nitro benzene and at least one aminoanthraquinone dye. The azo dye of formula (II) is nonmutagenic, has good solubility properties in the usual dye carriers, and imparts to hair hues which are stable, particularly to washing. The invention also relates to a process for dyeing human hair by direct coloration which comprises applying the dyeing composition defined above onto the hair, leaving it on the hair for 3 to 60 minutes and then rinsing and drying the hair.

REFERENCES:
patent: 1850155 (1932-03-01), Reddelien et al.
patent: 2691595 (1954-10-01), Drautz
patent: 3153564 (1964-10-01), Morgan
patent: 3164522 (1965-01-01), Charle et al.
patent: 3617163 (1971-11-01), Kalopissis
patent: 4226784 (1988-10-01), Kalopissis
G. Shulman, Journal of the American Chemical Society, vol. 63, 1941, pp. 3236-3237.

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