Oxygen-containing organoaluminium complexes as cocatalysts

US7238757B2 · kind B2 · utility

Assignee

• Merck Patentgesellschaft · DE

Inventors

• Katrin Koehler · Oettingen, DE
• Eike Poetsch · Mühltal, DE
• Jens Eichhorn · Bietigheim-Bissingen, DE
• Herbert Schumann · Berlin, DE
• Birgit Wassermann · Berlin, DE
• Sebastiain Dechert · Berlin, DE
• Markus Hummert · Dresden, DE
• Stefan Schutte · Berlin, DE
• Walter Kaminsky · Pinneberg, DE
• Andrea Eisenhardt · Hamburg, DE
• Manfred Arnold · Meckenbeuren, DE

Key dates

• Filing date: Sep 13, 2002
• Grant date: Jul 3, 2007
• Expiry date: Sep 13, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F5/066
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Disclosed are compounds of formula (I)which compounds are useful as cocatalysts in olefinic polymerisation reactions, e.g., as Ziegler-Natta catalysts.