Fiber-reactive azo dyes and dye mixtures, preparation thereof and use thereof

US8349029B2 · kind B2 · utility

Assignee

• Dystar Colours Deutschland GmbH · DE

Inventors

• Jorg Worner · Könnern, DE
• Andreas Schrell · Hofheim, DE

Key dates

• Filing date: Jan 30, 2012
• Grant date: Jan 8, 2013
• Expiry date: Jan 30, 2032

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P5/30
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to azo dyes of the formula (1)in which R, M, and Y are defined as stated in claim 1, to dye mixtures comprising them, to processes for preparing them, and to their use.