Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1992-07-22
1994-11-15
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8405, 8406, 8407, 8408, 8410, 8423, A61K 713
Patent
active
053644140
ABSTRACT:
Oxidation tinctorial composition intended to be used for dyeing keratinous fibres, in particular human keratinous fibres and especially hair, characterized in that it contains, in a solvent medium appropriate for dyeing these fibres, at least one para oxidation dye precursor or at least one ortho oxidation dye precursor and at least one heterocyclic coupler corresponding to the formula (I): ##STR1## in which: R.sub.1 and R.sub.3, which may be identical or different, denote a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group;
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European Search Report of RS 85210, May 7, 1990.
Cotteret Jean
Junino Alex
Lang Gerard
Vandenbossche Jean J.
"L'Oreal"
Dusheck Caroline L.
Lieberman Paul
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