Water-soluble anthraquinone dyes

Details Water-soluble anthraquinone dyes Water-soluble anthraquinone dyes

1978-12-19

1980-09-23

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260373, 260374, C07C143665

Patent

active

042242282

ABSTRACT:
There are described new violet water-soluble anthraquinone dyes of the formula ##STR1## wherein R.sub.1 represents a straight-chain or branched-chain alkyl group having 4 to 8 carbon atoms,

REFERENCES:
patent: 2053275 (1936-09-01), Ellis et al.
patent: 2580190 (1951-12-01), Peter et al.
patent: 3491125 (1970-01-01), Schwander et al.
patent: 3823168 (1974-07-01), Hohmann et al.

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