Fibre-reactive formazan dyes containing .beta.-halogenethyl or vinylsulfonyl-alkanoylamino fiber-reactive groups
AssigneeCiba-Geigy Corporation
InventorsAlois Puntener, Urs Lehmann, Peter Scheibli, Josef Koller
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Abstract
The fibre-reactive formazan dyes of the formula ##STR1## where X is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, cyano or nitro, Y is .beta.-haloethyl or vinyl, m is 1, 2 or 3, n is 3 or 4, p is 0, 1 or 2 and q is 0 or 1, produce dyeings having good fastness properties on nitrogen-containing or hydroxyl-containing fibre materials.
Claims6
A fibre-reactive formazan dye of the formula ##STR76## where X is chlorine, Y is .beta.-halo-ethyl or vinyl and p is 0, 1 or 2.
A fibre-reactive formazan dye of the formula ##STR81## where Z is hydrogen, Z' is sulfo and Z" is --NH--CO--(CH.sub.2).sub.3 --SO.sub.2 --(CH.sub.2).sub.2 Cl, or where Z is sulfo, Z' is --NH--CO--(CH.sub.2).sub.3 --SO.sub.2 --(CH.sub.2).sub.2 Cl and Z" is hydrogen.
Dependencies are inferred from the claim text.