Isoindoline compound

US4758663A · kind A · utility

Assignee

• BASF SE

Inventors

• Hans Scherer · Mainbernheim, DE
• Wolfgang Lotsch · Beindersheim, DE
• Gustav Bock

Key dates

• Filing date: Apr 18, 1983
• Grant date: Jul 19, 1988
• Expiry date: Apr 18, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B57/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Isoindoline compounds of the formula ##STR1## where A is --CN or ##STR2## These compounds are pigments which give brilliant and deep colorations, of good fastness, in plastics and surface coatings.