Process for coloring keratinaceous materials

Details Process for coloring keratinaceous materials Process for coloring keratinaceous materials

1986-10-15

1987-09-22

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8404, 8405, 8407, 8444, 260349, 424 59, A61K 713, A61K 742, D06P 520

Patent

active

046952853

ABSTRACT:
A process for dyeing keratinaceous substances such as hair, wool, skin etc., which comprises contacting the same with a composition containing an aromatic azide or azidoindole component having the formula ##STR1## wherein X is hydroxyl, alkoxyl, NR'R", in which R' and R" are independently of each other hydrogen, alkyl or hydroxyalkyl, and if R' is H or alkyl, then R" can be further carbamylalkyl, mesylaminoalkyl, acylaminoalkyl, sulfoalkyl, piperidinoalkyl or morpholinoalkyl, R' and R" can also form with the nitrogen atom to which they are attached a piperidine or morpholine ring, R is hydrogen, alkyl, hydroxyalkyl, halogen, nitro, cyano or alkoxyl, W, Y and Z are independently of each other H or R', wherein all of the aforementioned alkyl moieties can have between 1 and 8 carbon atoms, and then exposing the contacted keratinaceous material to a suitable light source for sufficient time to develop the color. The composition can optionally also contain a color coupler component capable of interacting with said aromatic azide or azidoindole.

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Milligan, et al., "Photoreactive Dyes: the Potential of Azido-Substituted Dyes as Latent Reactive Dyes for Wool", Chemical Abstracts, 90:24760g, 1979.
Griffiths, et al., "New Fiber-Reactive Dyes for Hydrophobic Fibers", Chemical Abstracts, 78:45020h, 1973.
Griffiths, et al., "Azide Reactive Dyes, Part II, Transfer-Printing Properties of Sulfonyl- and Aryl-Azide Dyes on Nylon 66, Chemical Abstracts, 89:7476f, 1978.
Ayyanger, et al., "Azides, Part I, Reactive Dyes Containing the Azido Group for Synthetic-Polymer Fibers", Chemical Abstracts, 90:139045y, 1979.

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