Nitro dyestuffs, a process for their preparation, and use of the

Details Nitro dyestuffs, a process for their preparation, and use of the Nitro dyestuffs, a process for their preparation, and use of the

1981-08-07

1984-02-21

Trousof, Natalie

Bleaching and dyeing; fluid treatment and chemical modification

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

Hair dyeing

8405, 8407, 564441, A61K 713, C07C 8900, C07C 9106, C07C 9314

Patent

active

044327692

ABSTRACT:
Compounds having the general formula: ##STR1## in which R denotes hydrogen, a lower alkyl, lower hydroxyalkyl or lower polyhydroxyalkyl radical or alternatively an alkyl, hydroxyalkyl or polyhydroxyalkyl radical in which the alkyl chain is interrupted by one or more hetero-atoms such as oxygen are described. These compounds can be used in dyeing compositions for keratin fibres and wavesetting lotions. They make it possible to obtain very strong shades.

REFERENCES:
patent: 1670969 (1928-05-01), Knecht
patent: 3930792 (1976-01-01), Alperin et al.
Ames et al., "Dyes are Mutagenic; Identification of a Variety of Mutagenic Ingredients", Proc. Nat. Acad. Sci., USA, vol. 72, No. 6, pp. 2, 423-2, 427 (Jun. 1975).
Journal of the American Chemistry Society, vol. 64, Kremer et al., pp. 1285-1286, (Jun. 1942).
Chemical Abstracts, vol. 47: 1133i, (1953).
Chemical Abstracts, vol. 51: 5096i, (1957).

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