Complexed compounds and use thereof for the polymerization of olefins

US6946568B2 · kind B2 · utility

Assignee

• Basell Polyolefine GmbH · DE

Inventors

• Marc Oliver Kristen · Haltern am See, DE
• Benno Bildstein · Innsbruck, AT
• Alexander Krajete · Linz, AT

Key dates

• Filing date: Feb 6, 2002
• Grant date: Sep 20, 2005
• Expiry date: Feb 23, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F210/16
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Complexes of the formulae Ia and Ib where M=Ti, Zr, Hf, V, Nb or Ta, can be used for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.