Patent · US Expired

Water-soluble fiber-reactive disazo dyes, method for producing the same and the use thereof

US7132517B2 · kind B2 · utility

2Cited by

6References

12Claims

0Family size

Assignee

DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

Gunther Schwaiger · Frankfurt, DE
Werner Russ · Flörsheim, DE
Stefan Meier · Neubiberg, DE

Key dates

Filing date	Jun 10, 2003
Grant date	Nov 7, 2006
Priority date	—
Expiry date	Nov 19, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/515
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to dyes of general formula (1), in which R11, R2, M, Z, v and x are defined as cited in claim 1, to the production of the same and to the use of said dyes for colouring or printing material containing hydroxy and/or carbonamide groups, preferably fibrous material

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