Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1990-08-13
1993-07-06
Willis, Jr., Prince
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8408, 8416, 8421, 564430, 564442, 564443, A61K 713, C07C 940, C07C 9142, C07C 8760
Patent
active
RE0343005
ABSTRACT:
New chloro-meta-phenylenediamines, their use as couplers in the oxidation dyeing of keratinous fibres, dyeing compositions for hair containing these compounds and dyeing process using the said compositions.
The invention relates to the compounds of formula: ##STR1## in which Z and Z' denote, independently of one another, an alkyl radical having from 1 to 4 carbon atoms or a hydroxyalkyl radical having from 2 to 4 carbon atoms, and
REFERENCES:
patent: 4566876 (1986-01-01), Brown et al.
Chemical Abstracts, vol. 64 No. 13, Jun. 20, 1966 col. 19553a-c, Kamentani, et al.
Borowiak Herve
Junino Alex
Lang Gerard
Vandenbossche Jean J.
"L'Oreal"
McNally John F.
Willis Jr. Prince
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