Covalently fixed nonmetallocenes, process for preparing them and their use for the polymerization of olefins

US7157398B2 · kind B2 · utility

Assignee

• Celanese Ventures GmbH · DE

Inventors

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

Key dates

• Filing date: Feb 26, 2003
• Grant date: Jan 2, 2007
• Expiry date: Jul 31, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/003
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a method for producing special transition metal compounds, to novel transition metal compounds and to the use thereof for polymerizing olefins.