Patent · US Active

Dye mixtures of fiber-reactive azo dyes, their preparation and use

US7708786B2 · kind B2 · utility

1Cited by

15References

6Claims

0Family size

Assignee

DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

Joachim Eichhorn · Frankfurt, DE
Werner Russ · Flörsheim, DE
Stefan Meier · Neubiberg, DE
Uwe Mrotzeck · Kelkheim, DE

Key dates

Filing date	Jun 27, 2008
Grant date	May 4, 2010
Priority date	—
Expiry date	Jun 27, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0047
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Reactive dye mixtures comprising one or more dyes of the general formula (I),one or more dyes of the general formula (II)and optionally one or more dyes of the general formula (III)where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2—Z or —Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.

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