Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1993-10-15
1994-08-23
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8408, 8409, 8423, 548485, A61K 713
Patent
active
053403665
ABSTRACT:
A process for dyeing keratinous fibers involves applying to the fibers, at least one compound of formula ##STR1## wherein R.sub.1 represents hydrogen, alkyl, acetyl, benzoyl, phenyl or carboxylalkyl and R.sub.2 and R.sub.3 represent hydrogen, alkyl, hydroxyl, halogen, nitro, alkyl phenyl, phenyl or alkoxy, and an aminopyrimidine of the formula ##STR2## wherein R.sub.5 represents hydrogen, hydroxyl or ##STR3## represents hydroxyl or ##STR4## R.sub.7 represents H or NH.sub.2, R.sub.8 represents ##STR5## and R.sub.9 and R.sub.10 represent hydrogen, alkyl, (CH.sub.2).sub.p -Z wherein p is 1 to 4 and Z represents OH, halogen, NH.sub.2, NHR' or NHR'R" wherein R' and R" represent alkyl or together form a heterocycle, with the proviso that one of R.sub.5 to R.sub.8 represents NH.sub.2.
REFERENCES:
patent: 4013404 (1977-03-01), Parent et al.
patent: 4168953 (1979-09-01), Rose
patent: 4226595 (1980-10-01), Rose et al.
patent: 4322212 (1982-03-01), Konrad et al.
patent: 4750908 (1988-06-01), Rosenbaum et al.
patent: 4921503 (1990-05-01), Anderson et al.
French Search Report of FR 91 02614.
Cotteret Jean
Lang Gerard
"L'Oreal"
Dusheck Caroline L.
Lieberman Paul
LandOfFree
Hair dye compositions and process comprising and utilizing a com does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hair dye compositions and process comprising and utilizing a com, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hair dye compositions and process comprising and utilizing a com will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-499695