Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1989-04-24
1990-12-25
Raymond, Richard L.
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8416, 564440, C07C 47546, A61K 713
Patent
active
049799614
ABSTRACT:
The invention relates to p-phenylenediamines of formula: ##STR1## in which R.sub.1 denotes an alkyl, hydroxyalkyl or polyhydroxyalkyl radical and R.sub.2 denotes a hydrogen atom or an alkyl radical, as well as the corresponding salts with acids, and to the compositions and the process for dyeing keratinous fibers, especially hair, employing them.
REFERENCES:
Journal of Medicinal Chemistry, vol. 17, No. 9, 1974, pp. 918-922; A. H. Soloway et al.: "Chemoimmunotherapy of cancer. 1."
Genet Alain
Junino Alex
Lang Gerard
"L'Oreal"
Covington Raymond
Raymond Richard L.
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