Heptarylene-and octarylenetetracarboximides and preparation thereof

US8052899B2 · kind B2 · utility

Assignees

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

Inventors

• Jianqiang Qu · Shanghai, CN
• Neil Gregory Pschirer · Mainz, DE
• Martin Koenemann · Ludwigshafen, DE
• Klaus Muellen · Cologne, DE
• Yuri Avlasevic · Mainz, DE

Key dates

• Filing date: Oct 25, 2007
• Grant date: Nov 8, 2011
• Expiry date: Dec 6, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0034
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to heptarylene- and octarylenetetracarboximides of the general formula (I)to precursors thereof or mixtures thereof, and to processes for their preparation and to their use.