Importance

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Abstract

A reactive dye of the formula D--U--R).sub.n in which D is the radical of an anthraquinone, phthalocyanine, formazane, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye; U is --CO-- or --SO.sub.2 --; R is a radical of the formula ##STR1## Z is sulfatoethyl, .beta.-thiosulfatoethyl, .beta.-phosphatoethyl, .beta.-acetoxyethyl, .beta.-halogenoethyl or vinyl; alk is a polymethylene radical having 1 to 6 C atoms or its branched isomers; Y is hydrogen, chlorine, bromine, fluorine, hydroxyl, sulfato, C.sub.1 -C.sub.4 -alkanoyloxy, cyano, carboxyl, alkoxycarbonyl having 1 to 5 C atoms, carbamoyl or a radical --SO.sub.2 --Z in which Z is as defined above; V is hydrogen or C.sub.1 -C.sub.4 -alkyl which is unsubstituted or substituted by carboxyl, sulfo, C.sub.1 -C.sub.2 -alkoxy, halogen or hydroxyl; or a radical ##STR2## in which Z, alk and Y are as defined above; R.sub.1 is hydrogen or C.sub.1 -C.sub.6 -alkyl; alk', independently of each other, are polymethylene radicals having 2 to 6 C atoms or their branched isomers; n is 1 to 4, m is 1 to 6, p is 1 to 6 and q is 1 to 6; where, when U is --SO.sub.2 --, V must not be hydrogen or D must not be a phthalocyanine dye radical.

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First Claim