Patent · US Expired

Fiber-reactive dyes having a central 1,3,5-triazine ring to which are bonded to a monoazo chromophore having another 1,3,5-triazine moiety and a second chromophore

US5599911A · kind A · utility

2Cited by

4References

13Claims

0Family size

Assignee

Ciba-Geigy · US

Inventors

Rolf Deitz · Basel, CH
Bernhard M uller · Weil am Rhein, DE
Athanassios Tzikas · Pratteln, CH

Key dates

Filing date	Aug 25, 1994
Grant date	Feb 4, 1997
Priority date	—
Expiry date	Aug 25, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/08
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Reactive dyes of the formula ##STR1## in which the variables have the meanings stated in the claims, are described. The dyes according to the invention are particularly suitable for dyeing cellulosic fibre materials and give dyeings with good fastness properties and a high color yield.

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