Disazo compounds for dyeing cellulosic fibers

Details Disazo compounds for dyeing cellulosic fibers Disazo compounds for dyeing cellulosic fibers

1983-10-06

1985-09-17

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534598, 534637, 534818, 534884, C09B 4316, C07D25170

Patent

active

045422087

ABSTRACT:
Water-soluble azo compounds which, in the free acid form, are represented by the formula: ##STR1## wherein one of X and Y is hydrogen and the other is --SO.sub.3 H; one of A and B is hydrogen and the other is --SO.sub.3 H; each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is independently hydrogen, methyl group, ethyl group, methoxy group, ethoxy group, acylamino group or ureido group; and each of R.sub.5 and R.sub.6 is independently hydrogen, methyl group, ethyl group, methoxy group, ethoxy group, acylamino group, chlorine, hydroxyl group or carboxyl group, and a method for dyeing cellulose fibers, blended yarn fabrics of cellulose fibers with other kinds of fibers, particularly with polyester fibers, using the said compounds.

REFERENCES:
patent: 4337195 (1982-01-01), Vater et al.

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