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US 4,069,218 AGranted
Water-soluble fiber-reactive disazo dyestuffs
AssigneeCiba-Geigy Corporation
InventorGert Hegar
Life of this patent
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Abstract
Azo dyes of the formula ##STR1## wherein each of D.sub.1 and D.sub.2 is a radical of a diazo component which contains at least one heterocyclic fiber-reactive radical and D.sub.1 and D.sub.2 together contain at least two water-solubilizing groups, and Y is the radical of an at least bifunctional acyl compound.
Claims2
An azo dye of the formula ##STR13## wherein D.sub.1 and D.sub.2 are monosulfophenyl or disulfophenyl which are substituted by 4-chloro-6-(monosulfophenylamino, disulfophenylamino or sulfo, carboxyphenylamino)-1,3,5-triazin-(2)-ylamino;
- and
- Y is --CO--.
The azo dye of the formula ##STR14##
Dependencies are inferred from the claim text.