Pigments comprising cyanomethylquinazolones coupled to diazo compounds prepared from 1-aminoanthroquinones

US4412949A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Dimroth · Ludwigshafen, DE
• Wolfgang Lotsch · Beindersheim, DE

Key dates

• Filing date: Jul 1, 1981
• Grant date: Nov 1, 1983
• Expiry date: Jul 1, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/32
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A pigment of the formula: ##STR1## wherein each of the rings A, B and C independently is unsubstituted or is substituted by one, two or three radicals which do not confer solubility, or the ring A can additionally carry a fused ring. The novel compounds of the invention are useful as pigments for coloring, printing inks, plastics, and, especially, surface coatings.