Catalyst systems and their use for metathesis reactions

US7737233B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Werner Obrecht · Moers, DE
• Kirstin Langfeld · Berlin, DE
• Martin Schneider · Remchingen, DE
• Oskar Nuyken · Munich, DE

Key dates

• Filing date: Aug 18, 2008
• Grant date: Jun 15, 2010
• Expiry date: Aug 18, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08C19/00
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Novel catalyst systems for metathesis reactions, in particular for the metathesis of nitrile rubber, which contain a specific salt additive in addition to the metathesis catalyst are provided.