Water-soluble reactive mono- and di-azo dyes

US7109313B2 · kind B2 · utility

Assignee

• DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

• Stefan Meier · Neubiberg, DE
• Werner Russ · Flörsheim, DE
• Stefan Ehrenberg · Hattersheim, DE

Key dates

• Filing date: Mar 18, 2003
• Grant date: Sep 19, 2006
• Expiry date: Jul 9, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/507
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to dyes of the general formula (I)where the stated variables being as defined in claim 1, to processes for preparing them and to their use for dyeing and printing hydroxyl-containing and/or carboxamido-containing material.