Terrylene and quaterrylene derivatives

US7795431B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Neil Gregory Pschirer · Mainz, DE
• Jianqiang Qu · Shanghai, CN
• Martin Koenemann · Ludwigshafen, DE

Key dates

• Filing date: May 3, 2006
• Grant date: Sep 14, 2010
• Expiry date: May 29, 2026

Classification

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

Abstract

A rylenetetracarboxylic monoimide monoanhydride, a salt thereof; methods of making the rylenetetracarboxylic monoimide monoanhydride and the salt thereof; and materials, additives, and aqueous dispersions containing the rylenetetracarboxylic monoimide monoanhydride and/or the salt thereof.