Mixture of yellow disperse dyestuffs containing pyridone disazo dye

US4772292A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Manfred Hahnke · Kelkheim, DE
• Ulrich Buhler · Alzenau, DE
• Albert Bode · Schwalbach, DE

Key dates

• Filing date: Nov 30, 1987
• Grant date: Sep 20, 1988
• Expiry date: Nov 30, 2007

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/922
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A dyestuff mixture for coloring synthetic fibers a yellow color contains as component A a dyestuff of the formula ##STR1## and as component B a different yellow disperse dyestuff species.