Patent · US Expired

Reactive azo dyes, method for the production and use thereof

US6949631B2 · kind B2 · utility

1Cited by

5References

8Claims

0Family size

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	Nov 28, 2002
Grant date	Sep 27, 2005
Priority date	—
Expiry date	Nov 28, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/4413
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to reactive dyes of the general formula (1) where X1, X2, R, M, m and n are each as defined in claim 1, processes for their preparation and also their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.