Composition for hair dyeing which contains a para base and an or

Bleaching and dyeing; fluid treatment and chemical modification – Dyeing involving animal-derived natural fiber material ,... – Hair dyeing

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8410, 8412, 260396N, 546 1, C07C 5080, C07C11912

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active

042958482

ABSTRACT:
The invention relates to compositions intended for dyeing keratin fibers 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, or 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: 2895826 (1959-07-01), Salminen et al.
patent: 3884627 (1975-05-01), Brody et al.
patent: 3961879 (1976-06-01), Bugaut et al.
patent: 3970423 (1976-07-01), Brody
patent: 4212645 (1980-07-01), Leon et al.
patent: 4221729 (1980-09-01), Kalopissis et al.

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