Olefin polymerization

US5668230A · kind A · utility

Assignee

• Phillips Petroleum Company · US

Inventors

• Peter Schertl · Leverkusen, DE
• Helmut G. Alt · Bayreuth, DE
• M. Bruce Welch · Bartlesville, US

Key dates

• Filing date: Jul 11, 1996
• Grant date: Sep 16, 1997
• Expiry date: Jul 11, 2016

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 and process for polymerizing olefins employing a cocatalyst and specific ethylene bridged fluorenyl-containing metallocenes having substituents which result in high yields of polyethylene and/or high molecular weight polyethylene.