Sulpho group-containing anthraquinone dyestuffs

Details Sulpho group-containing anthraquinone dyestuffs Sulpho group-containing anthraquinone dyestuffs

1978-11-06

1983-03-08

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C143665

Patent

active

043760775

ABSTRACT:
Disclosed are anthraquinone dyestuffs which, in free acid form, are of formula I, ##STR1## in which R signifies an alkyl radical of 6 to 24 carbon atoms, an unsubstituted cyclohexyl radical or a cyclohexyl radical substituted by one or more substituents selected from halogen atoms and alkyl and alkoxy radicals,

REFERENCES:
patent: Re27800 (1973-10-01), Schwander et al.
patent: 3420856 (1969-01-01), Bengueral
patent: 3491126 (1970-01-01), Schwander et al.
patent: 3646071 (1972-02-01), Frey et al.
patent: 3823168 (1974-07-01), Hohmann et al.
patent: 3980677 (1976-09-01), Hohmann et al.
patent: 4035397 (1977-07-01), Pechmeze et al.
Benguerel; F. "Anthraguinones" in Chemical Abstracts #113550, vol. 64, 1966.

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