Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins

US7705097B2 · kind B2 · utility

Assignee

• Basell Polyolefine GmbH · DE

Inventors

• Shahram Mihan · Bad Soden, DE
• Andreas Haufe · Ludwigshafen, DE
• Peter Kölle · Bad Dürkheim, DE
• Joachim Wulff-Doring · Bischofswerda, DE
• Ingo Treffkorn · Hagenbach, DE
• Guido Funk · Worms, DE

Key dates

• Filing date: Jun 9, 2005
• Grant date: Apr 27, 2010
• Expiry date: Jun 7, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2410/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Process for preparing a supported catalyst for the polymerization and/or copolymerization of olefins which has a chromium content of from 0.01 to 5% by weight, based on the element, which comprises