Water-soluble disazo dyestuffs for dyeing or printing...

Details Water-soluble disazo dyestuffs for dyeing or printing... Water-soluble disazo dyestuffs for dyeing or printing...

D - Textiles, Paper

06

P

8/37, 8/31.04, 8

D06P 3/24 (2006.01) C09B 31/11 (2006.01) D06P 5/20 (2006.01)

Patent

CA 1062856

ABSTRACT Use of a water-soluble disazo dyestuff of the formula Image in which R1 represents a hydrogen atom or the sulfonic acid group, R2 represents a chlorine atom or the methoxy group, and R3 and R4 each, represents a hydrogen atom or a methoxy group, for the dyeing or printing of synthetic textile material consisting of or containing polyamide or polyurethane fibers, the dyestuff used yielding on the said fibrous material excellent, clear golden-yellow to orange dyeings or prints being distinguished by very good properties as to fastness to light and to wetting.

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