Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1989-11-22
1991-03-26
Willis, Prince E.
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8408, 8410, 8412, 8416, 8421, 564443, A61K 713, C07C21580, C07C21578
Patent
active
050025856
ABSTRACT:
Trialkoxy-substituted meta-phenylenediamines, a process for their preparation, and their use as couplers for oxidation dying of keratinous fibres and in particulate of human hair.
1,3,5-trialkoxy-meta-phenylenediamine of formula: ##STR1## in which: R.sub.1 and R.sub.2 denote, independently of each other, a hydrogen atom, an alkyl radical containing 1 to 4 carbon atoms or a mono- or polyhydroxyalkyl radical containing 2 or 3 carbon atoms,
REFERENCES:
patent: 4125367 (1978-11-01), Bugaut et al.
patent: 4171203 (1979-10-01), Rose et al.
patent: 4566876 (1986-01-01), Brown et al.
patent: 4865618 (1989-09-01), Junino et al.
patent: 4865619 (1989-09-01), Junino et al.
patent: 4891045 (1990-01-01), Junino et al.
Chemical Abstract CA62: 2758b (1965).
Chemical Abstract CA64: 6611g (1966).
Brown et al., U.S. Statutory Invention Registration A726 1/2/1990.
Borowiak Herve
Junino Alex
Lang Gerard
Vandenbossche Jean J.
"L'Oreal"
Skaling Linda D.
Willis Prince E.
LandOfFree
Trialkoxy-substituted meta-phenylenediamines, a process for thei does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Trialkoxy-substituted meta-phenylenediamines, a process for thei, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trialkoxy-substituted meta-phenylenediamines, a process for thei will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-614833