Mixtures of fiber-reactive dyes and use thereof for dyeing fiber materials

US5496381A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Werner Russ · Flörsheim, DE
• Kurt Hussong · Bad Soden, DE

Key dates

• Filing date: Sep 19, 1994
• Grant date: Mar 5, 1996
• Expiry date: Sep 19, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/924
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Novel dye mixture comprising three to seven fiber-reactive dyes selected from dyes of the below-indicated and defined formulae (1) to (7) with the proviso that the dye mixture contain at least one representative of the formulae (1) and/or (2), at least one representative of the formulae (3) and/or (4) and at least one representative of the formulae (5) and/or (6) and/or (7): ##STR1##