Dyestuff mixtures of metal phthalocyanine and pyridone azo reactive dyes

US5163971A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Josef-Walter Stawitz · Cologne, DE
• Frank-Michael Stohr · Odenthal, DE
• Manfred Groll · Leverkusen, DE
• Karl-Josef Herd · Odenthal, DE
• Karl H. Schundehutte · Leverkusen, DE

Key dates

• Filing date: May 16, 1991
• Grant date: Nov 17, 1992
• Expiry date: May 16, 2011

Classification

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

Abstract

Dyestuff mixtures containing one or more dyestuffs of the formula ##STR1## and one or more dyestuffs of the formula ##STR2## in which the substituents have the meanings given in the description are highly suitable for producing green cotton dyeings.