Novel dyeing system

Details Novel dyeing system Novel dyeing system

1988-09-12

1990-05-01

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8406, 8409, 8429, 548485, A61K 713, C07D20936

Patent

active

049215035

ABSTRACT:
Substituted 3-aryl amino-indoline-2-ones, produced by the reaction of certain isatins and amines are among a group of compounds useful as hair colorants. The hair itself appears to function as a dye-formation promoter, so that no oxidative reagents are needed.

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