Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing
Patent
1979-04-05
1981-05-19
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Dyeing involving animal-derived natural fiber material ,...
Hair dyeing
8406, 8412, 260396R, 260396N, A61K 712, A61K 7135
Patent
active
042682649
ABSTRACT:
The invention relates to compositions intended for dyeing keratin fibres which contain, as the only oxidative dyestuffs, oxidative dyestuff precursors of the para type and of the ortho type, at least one said precursor of the para type being an aromatic diamine, of specified formula or a specified bis-condensed precursor and at least one said precursor of the ortho type which is an ortho-aminophenol, ortho-diphenol, ortho-phenylenediamine or a derivative thereof.
REFERENCES:
patent: 3561912 (1971-02-01), Boosen et al.
patent: 3884627 (1975-05-01), Brody et al.
patent: 3961879 (1976-06-01), Bugaut et al.
patent: 3970423 (1976-07-01), Brody et al.
patent: 3981677 (1976-09-01), Halasz et al.
Andrillon Patrick
Bugaut Andree
Fourcadier Chantal
Grollier Jean F.
"L'Oreal"
Clingman A. Lionel
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