Use of hydroxyanthraquinones for the coloration of human keratin

Details Use of hydroxyanthraquinones for the coloration of human keratin Use of hydroxyanthraquinones for the coloration of human keratin

1984-07-13

1986-07-29

Meyers, Albert T.

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8406, 8408, A61K 713

Patent

active

046029133

ABSTRACT:
Use of hydroxyanthraquinones for the coloration of human keratin fibres, and process and composition in which they are used.
The composition contains, in a cosmetically acceptable medium, at least one hydroxyanthraquinone of the formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 independently of one another denote a hydrogen atom, a hydroxyl group, an alkyl group, an alkyl group substituted, for example, by a hydroxyl, amino or acyl group, an alkoxy group, a nitro group, a halogen group, a group SO.sub.3 H, CHO, CO.sub.2 H or SO.sub.3 Na, or a group --CO.sub.2 R', in which R' denotes alkyl or an alkali metal, with the proviso that: at least two of the groups R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 denote hydroxyl, and that if R.sub.1 and R.sub.2 denote OH, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 denoting hydrogen, then at least one of the two groups R.sub.3 and R.sub.4 is different from hydrogen, or alternatively if R.sub.1 and R.sub.3 denote OH, R.sub.2 and R.sub.4 denoting hydrogen and one or two of the substituents R.sub.5, R.sub.6, R.sub.7 and R.sub.8 denoting hydroxyl, then at least one of the substituents R.sub.5, R.sub.6, R.sub.7 and R.sub.8 is different from hydrogen, alkyl or halogen.

REFERENCES:
patent: 3041244 (1962-06-01), Feit et al.
patent: 3192117 (1965-06-01), Kaiser et al.
patent: 4358286 (1982-11-01), Grollier et al.
patent: 4425132 (1984-01-01), Grollier et al.
The Merck Index, 9th ed. 1976.
Chem. Abstracts 77:76672f Asymmetrically Substituted 1,3-dihydroxyanthraquinones, Lang, Mar. 9, 1972.
Chem. Abstracts 84:155510z Hair Tonic and Skin Cosmetic Preparations Containing Hydroxyanthraquinones, Ohtsu, Jan. 26, 1976.

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