Azo dyes

US4116953A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Dimroth · Ludwigshafen, DE
• Helmut Junge
• Peter Tonne
• Rolf Urtel

Key dates

• Filing date: Sep 16, 1976
• Grant date: Sep 26, 1978
• Expiry date: Sep 16, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B43/32
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## in which K is the radical of a coupling component; PA1 X is hydrogen, chloro, bromo, methyl or nitro; and PA1 Y is hydrogen, chloro, bromo or methyl. The compounds are eminently suitable as pigments for coloring printing inks, surface coatings and resins with exceptional fastness properties.