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US 4,556,707 AGranted
Triazole-group-containing disazo reactive dyestuff
AssigneeBayer Aktiengesellschaft
InventorHermann Henk
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Abstract
The invention provides reactive dyestuffs of the formula ##STR1## wherein X is a fibre-reactive group of the triazine or pyrimidine series; R.sub.3 and R.sub.4 are each hydrogen; n is 0 or 1; and k is a pyridone or pyrimidone coupling component; the dyestuffs are particularly suitable for dyeing and printing natural and regenerated cellulose fibre materials and synthetic polyamide fibre materials.
Claims2
A reactive dyestuff of the formula ##STR74## wherein X is a triazine or pyrimidine reactive group;
- R.sub.3 and R.sub.4 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy
- n is 0 or 1;
- and
- K is a pyridone or pyrimidone coupling component.
1 more element
Dependencies are inferred from the claim text.