“Constrained geometry” metallocenes, method for the production thereof and use of the same for the polymerisation of olefins

US7049453B2 · kind B2 · utility

Assignee

• Celanese Ventures GmbH · DE

Inventors

• Jorg Schottek · Frankfurt, DE
• Tim Dickner · Frankfurt, DE
• Jorg Schulte · Frankfurt, DE

Key dates

• Filing date: Mar 24, 2003
• Grant date: May 23, 2006
• Expiry date: Mar 24, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/943
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing specific transition metal compounds, novel transition metal compounds and also catalyst systems and their use for the homo- or copolymerization of olefins.