Dye mixtures with pyridoneazo dyes

US5547477A · kind A · utility

Assignee

• BASF SE

Inventors

• Arno Lange · Bad Dürkheim, DE
• Helmut Degen · Bischofswerda, DE
• Gunther Lamm · Haßloch, DE
• Helmut Reichelt · Neustadt, DE
• Dieter Wegerle · Mannheim, DE

Key dates

• Filing date: Dec 23, 1994
• Grant date: Aug 20, 1996
• Expiry date: Dec 23, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/363
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dye mixtures useful for dyeing or printing textile fibers or fabrics contain from 40 to 75% by weight, based on the weight of the dyes, of a dye of the formula ##STR1## where R is C.sub.1 -C.sub.4 -alkyl and n is 1 and from 25 to 60% by weight, based on the weight of the dyes, of a dye of the abovementioned formula where R is C.sub.1 -C.sub.4 -alkyl and n is 2.