Fluorenyl-containing polymeric metallocene catalyst systems

US6124414A · kind A · utility

Assignee

• Phillips Petroleum Company · US

Inventors

• Bernd Peifer · Bayreuth, DE
• Syriac J. Palackal · Bartlesville, US
• M. Bruce Welch · Bartlesville, US
• Helmut G. Alt · Bayreuth, DE
• Peter Schertl · Leverkusen, DE

Key dates

• Filing date: Mar 26, 1998
• Grant date: Sep 26, 2000
• Expiry date: Mar 26, 2018

Classification

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

Abstract

A catalyst system comprising an organoaluminoxane cocatalyst and a polymeric fluorenyl-containing metallocene prepared from a polymer resulting from the polymerization of a 2-vinylfluorene compound or the alkylation of a fluorene compound.