Patent · US Expired

Water-soluble trisazo dyes

US5110917A · kind A · utility

3Cited by

0References

6Claims

0Family size

Assignee

Cassella Aktiengesellschaft · DE

Inventors

Wolfgang Bauer · Krefeld, DE
Willi Steckelberg · Hofheim, DE
Josef Ritter · Graz, AT

Key dates

Filing date	Aug 5, 1991
Grant date	May 5, 1992
Priority date	—
Expiry date	Aug 5, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/513
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to water-soluble trisazo dyes of the formula T ##STR1## and process for the preparation thereof and to the use thereof.

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