Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1991-11-01
1992-12-08
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8406, 8407, 8408, 8410, 8414, 8416, 8423, 424 70, A61K 713
Patent
active
051694034
ABSTRACT:
Direct dyes having a quaternary center with a long aliphatic chain, compositions containing those dyes, and the process of using them to dye hair are disclosed. These dyes have a higher affinity for hair and are more shampoo stable than conventional direct dyes, and produce pleasing uniform dyeing.
REFERENCES:
patent: 3893802 (1975-07-01), Kalopissis et al.
Chan Alexander
Pan Yuh-Guo
Clairol Inc.
Lieberman Paul
Parks William S.
Shulman Doreen F.
LandOfFree
Direct dyes having a quaternary center with a long aliphatic cha does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Direct dyes having a quaternary center with a long aliphatic cha, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direct dyes having a quaternary center with a long aliphatic cha will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-958255