Water-insoluble naphthol monoazo dyestuff

US4567252A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Ulrich Buhler · Alzenau, DE
• Horst Tappe · Dietzenbach, DE
• Albert Bode · Schwalbach, DE
• Manfred Hahnke · Kelkheim, DE
• Kurt Roth · Waterloo, CA

Key dates

• Filing date: May 6, 1983
• Grant date: Jan 28, 1986
• Expiry date: May 6, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S534/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Azo dyestuff of the formula ##STR1## wherein X is secondary amino or tertiary amino moiety, useful for dyeing and printing hydrophobic fiber materials to produce a deep orange color having excellent fastness properties and also useful for coloring organic solvents, mineral oil products, waxes, plastics and surface coatings.