1,6,9,14-tetrasubstituted terrylene tetracarboxylic acid diimides

US7521556B2 · kind B2 · utility

Assignees

• BASF SE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Arno Boehm · Mannheim, DE
• Matthias Krieger · Soest, DE
• Erik Reuther · Mainz, DE
• Klaus Muellen · Cologne, DE

Key dates

• Filing date: Jun 4, 2003
• Grant date: Apr 21, 2009
• Expiry date: Jul 13, 2024

Classification

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

Abstract

1,6,9,14-Tetrasubstituted terrylenetetracarboxylic diimides are particularly useful for absorbing and emitting in the long-wavelength red and near infrared region of the electromagnetic spectrum.