Stereorigid metallocene compounds

US6410661B1 · kind B1 · utility

Assignee

• Basell Polyolefine GmbH · DE

Inventors

• Walter Kaminsky · Pinneberg, DE
• Frank Kueber · Oberursel, DE
• Berthold Schiemenz · Frankfurt am Main, DE
• Ralf Werner · Hilden, DE
• Anne-Meike Schauwienold · Hamburg, DE
• Frank Freidanck · Hamburg, DE

Key dates

• Filing date: Nov 2, 1999
• Grant date: Jun 25, 2002
• Expiry date: Nov 2, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F10/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A stereorigid metallocene compound contains, as ligands, an aryl-substituted cyclopentadienyl radical, linked via a hydrogen bridge, and a substituted or unsubstituted fluorenyl radical. The novel metallocene compound is suitable as a catalyst component for olefin polymerization.