2-amino-8-hydroxy-6-sulfonaphtalene-containing monoazo reactive dyes

US5569748A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Uwe Reiher · Hofheim, DE
• Werner Russ · Flörsheim, DE

Key dates

• Filing date: Jul 28, 1994
• Grant date: Oct 29, 1996
• Expiry date: Jul 28, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/4413
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

There are described novel monoazo dyes of the below-indicated and formula (1) which have fiber-reactive properties and are used as dyes for dyeing hydroxy- and/or carboxamido-containing material, in particular fiber material, such as wool and synthetic polyamide and in particular cellulose fiber materials, such as cotton. ##STR1## X, Y, M and m are as defined in claim 1.