Anthraquinone dyestuffs which are sparingly soluble in water, an

Details Anthraquinone dyestuffs which are sparingly soluble in water, an Anthraquinone dyestuffs which are sparingly soluble in water, an

1974-01-02

1976-05-11

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 39C, 8 40, 260249, 2602565R, 260272, 260303, 2603075, 260308R, 260308D, 2603096, 260327P, 260327TH, 2603292, 260376, 260308A, C09B 156

Patent

active

039563456

ABSTRACT:
Anthraquinone dyestuffs of the formula ##SPC1##
In which R.sub.1 and R.sub.2 independently of one another each denote hydrogen or a lower alkyl group, X denotes a direct bond, --CH.sub.2 --, --O-- or --S--, and Y denotes the nitrile group, a thiocarboxylic acid ester group, a carbacyl group, or an optionally substituted aliphatic, cycloaliphatic, carbocyclic-aromatic or heterocyclic radical. The dyestuffs yield fast blue shades on polyesterfibers.

REFERENCES:
patent: 2844598 (1958-07-01), Gunthard
patent: 2992240 (1961-07-01), Lodge
patent: 3502423 (1970-03-01), Buecheler

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