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US 4,210,582 AGranted
Water-soluble pyrazolone-imide containing azo dyestuffs
AssigneeCiba-Geigy Corporation
InventorsRene de Montmollin, Hans-Ulrich Schutz
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Abstract
Monoazo compounds of the formula ##STR1## wherein Y is phenyl, or phenyl substituted by Z--NH--, sulfo, chloro or methyl; and Z is .alpha.,.beta.-dibromopropionyl or .alpha.-bromoacryloyl, are excellent dyes and are suitable for dyeing and printing materials of the most diverse kind.
Claims2
A monoazo dyestuff of the formula ##STR12##
A monoazo dyestuff of the formula ##STR13##
Dependencies are inferred from the claim text.