Reactive azo dyes preparation thereof and use thereof

US6900294B2 · kind B2 · utility

Assignee

• DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

• Stefan Meier · Neubiberg, DE
• Werner Russ · Flörsheim, DE
• Jorg Worner · Könnern, DE

Key dates

• Filing date: Aug 11, 2001
• Grant date: May 31, 2005
• Expiry date: Aug 11, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/51
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to reactive dyes of the general formula (1) whereY is a heterocyclic reactive group of the general formula (2) or (3)