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US 4,242,259 AGranted
Anthraquinone-azo reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsWolfgang Harms, Klaus von Oertzen, Klaus Wunderlich
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Abstract
Dyestuffs of the formula ##STR1## wherein D, W, R.sub.1, R.sub.2, R.sub.3, x and D' have the meaning indicated in the description, and their use for dyeing and printing textile materials containing hydroxyl groups and textile materials containing nitrogen, in particular textile materials of natural and regenerated cellulose, and also of wool, silk, and synthetic polyamide and polyurethane fibres. The resulting dyeings are distinguished by good fastness properties.
Claims7
Dyestuffs of the formula ##STR48## wherein D=optionally substituted anthraquinonyl,
- W=a bridge member,
- R.sub.1 -R.sub.3 =H or optionally substituted C.sub.1 -C.sub.4 -alkyl,
- x=0 or 1 and
- D'=the radical of an azo dyestuff.
1 more element
Dependencies are inferred from the claim text.