Thiopheneazo dyes with a coupling component of the diaminopyridine series

US5330543A · kind A · utility

Assignee

• BASF SE

Inventors

• Guenter Hansen · Ludwigshafen, DE
• Gunther Lamm · Haßloch, DE
• Hermann Loeffler · Speyer, DE
• Helmut Reichelt · Neustadt, DE
• Helmut Degen · Bischofswerda, DE
• Arno Lange · Bad Dürkheim, DE
• Clemens Grund · Hattersheim, DE

Key dates

• Filing date: Oct 27, 1993
• Grant date: Jul 19, 1994
• Expiry date: Oct 27, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/922
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Azo dyes having the formula ##STR1## wherein the substituents are as defined in the specification and are useful for dyeing or printing textile materials.