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US 4,290,770 AGranted
Process for the coloration of hydrophobic fibers
AssigneeP C U K Produits Chimiques Ugine Kuhlmann
InventorManfred C. Rau
Life of this patent
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Abstract
The invention relates to the coloration of artificial or synthetic materials. There is used as disperse dyestuff a compound of the general formula: ##STR1## in which R.sub.1 represents a hydrogen atom or a nitro group, R.sub.2 represents a hydrogen or halogen atom or a nitro, trifluoromethyl, alkyl or alkoxy group and R.sub.3 represents a hydrogen or halogen atom or a cyano group.
Claims11
Process for the coloration of hydrophobic fibers in which the disperse dyestuff used is a compound of the formula:
- ##STR10## in which R.sub.1 represents hydrogen or nitro, R.sub.2 represents hydrogen, halogen, nitro, trifluoromethyl, alkyl or alkoxy, and R.sub.3 represents hydrogen, halogen or cyano.
Dependencies are inferred from the claim text.