1,7-Diaroxy- or 1,7-arylthio-substituted perylene-3,4,9,10-tetracarboxylic acids, their dianhydrides and diimides

US6326494A · kind A · utility

Assignee

• BASF SE

Inventors

• Arno Bohm · Mannheim, DE
• Harald Arms · Worms, DE
• Georg Henning · Ludwigshafen, DE
• Peter Blaschka · Ludwigshafen, DE

Key dates

• Filing date: Aug 2, 2000
• Grant date: Dec 4, 2001
• Expiry date: Aug 2, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K11/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimide of the general formula VI: ##STR1## Compositions or products comprising the compound of formula VI. Compositions comprising 1,7-diaroxy- or 1,7-diarylthio-substituted perylene-3,4,9,10-tetracarboxylic dianhydrides (I) or 1,7-diaroxy- or 1,7-diarylthio-substituted perylene-3,4,9,10-tetracarboxylic acids (Ia).