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US 3,947,407 AGranted
Fibre-reactive dyestuffs
AssigneeCiba-Geigy Corporation
InventorsDieter Mausezahl, Alexander Wohlkonig
Life of this patent
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Abstract
The invention relates to reactive dyestuffs containing as reactive group a radical of the formula ##EQU1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkyl substituted by chlorine, bromine, cyano, hydroxy, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxcarbonylamino, di-C.sub.1 -C.sub.4 -alkylamino, sulfo, phenyl or phenyl substituted by C.sub.1 -C.sub.4 -alkyl, sulfo or C.sub.1 -C.sub.4 -alkoxycarbonyl and R.sub.2, R.sub.3 and R.sub.4 are hydrogen or C.sub.1 -C.sub.5 -alkyl.
Claims1
An anthraquinone dyestuff of the formula ##SPC15##
- wherein
- n is 1 or 2,
- R is hydrogen,
- R.sub.1 is hydrogen;
- C.sub.1 -C.sub.5 -alkyl;
- C.sub.1 -C.sub.5 -alkyl substituted by chlorine, bromine, cyano, hydroxy, C.sub.1 -C.sub.4 -alkoxy C.sub.1 -C.sub.4 -alkoxycarbonylamino, di-C.sub.1 -C.sub.4 -alkylamino, sulfo, phenyl or phenyl substituted by C.sub.1 -C.sub.4 -alkyl, sulfo or C.sub.1 -C.sub.4 -alkoxycarbonyl and
- Z' is phenylene, phenylene substituted by sulfo, carboxy or methoxy or diphenylene substituted by sulfo.
4 more elements
Dependencies are inferred from the claim text.