Blue dye mixtures of high brilliance

US5382263A · kind A · utility

Assignee

• BASF SE

Inventors

• Helmut Degen · Bischofswerda, DE
• Arno Lange · Bad Dürkheim, DE
• Sabine Gruettner-Merten · Mutterstadt, DE
• Helmut Reichelt · Neustadt, DE

Key dates

• Filing date: Sep 18, 1992
• Grant date: Jan 17, 1995
• Expiry date: Sep 18, 2012

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P3/54
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Blue dye mixtures useful for dyeing or printing polyester fabrics contain from 30 to 95% by weight, based on the total weight of the dyes, of one or more dyes based on 1,4-diaminoanthraquinone-2,3-dicarboximides and also from 5 to 70% by weight based on the total weight of the dyes, of one or more thiopheneazo dyes having a coupling component of the aniline series.