Oxidative hair dye compositions and methods containing 1-(4-amin

Details Oxidative hair dye compositions and methods containing 1-(4-amin Oxidative hair dye compositions and methods containing 1-(4-amin

1998-05-13

1999-11-30

Gupta, Yogendra

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8408, 8423, 8574, A61K 713

Patent

active

059934913

ABSTRACT:
Compositions and methods for the oxidative coloring of human hair, wherein the compositions contain as a novel primary dye intermediate a 1-(4-aminophenyl)-2-pyrrolidinemethanol, or a cosmetically acceptable salt thereof. The compositions may also contain at least one other primary intermediate and conventional coupling compounds, in addition to an oxidizing agent and other components typically used in oxidative hair dye preparations. A preferred dye intermediate in the composition is 1-(4-aminophenyl)-2-pyrrolidinemethanol or cosmetically acceptable salts thereof, which produce intense black colors when used in admixture with a suitable coupling agents, such as 3-aminophenol, in conventional hair dye base formulations.

REFERENCES:
patent: 5278034 (1994-01-01), Ohki et al.
patent: 5538516 (1996-07-01), Andousset et al.
R.L.Bent et al., J.Am.Chem.Soc., Jul., 1951, vol. 73, pp. 3100-3125.

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