Dye mixture comprising water-soluble fiber-reactive dyes, preparation thereof and use thereof

US6391066B1 · kind B1 · utility

Assignee

• DyStar Textilfarben GmbH & Co. Deutschland KG · DE

Inventors

• Joachim Steckelberg · Brunsbüttel, DE
• Ronald Pedemonte · Wesley Chapel, US

Key dates

• Filing date: Feb 23, 2000
• Grant date: May 21, 2002
• Expiry date: Feb 23, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0046
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dye mixture comprising water-soluble fiber-reactive dyes, preparation thereof and use thereofThe present invention relates to dye mixtures comprising one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) where the variables are each as defined in claim 1, processes for preparing them and their use for dyeing and printing hydroxyl- and/or carboxamido-containing material.