Quaterrylenetetracarbimides

US5405962A · kind A · utility

Assignee

• BASF SE

Inventors

• Klaus Muellen · Cologne, DE
• Heribert QUANTE · Marienmünster, DE

Key dates

• Filing date: Oct 29, 1993
• Grant date: Apr 11, 1995
• Expiry date: Oct 29, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B5/62
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Quaterrylene useful as pigments or fluorescent dyes have the formula ##STR1## where the two radicals R are each hydrogen, substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl or substituted or unsubstituted phenyl.