Preparation of polyisobutene

US5191044A · kind A · utility

Assignee

• BASF SE

Inventors

• Hans Peter Rath · Havelsee, DE
• Herwig Hoffmann · Bischofswerda, DE
• Peter Reuter · Bad Dürkheim, DE
• Helmut Mach · Heidelberg, DE

Key dates

• Filing date: Oct 8, 1991
• Grant date: Mar 2, 1993
• Expiry date: Oct 8, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F10/10
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A process for the preparation of polyisobutene from isobutene and/or hydrocarbons containing isobutene in the presence of a complex of BF.sub.3 and an alcohol, wherein the free BF.sub.3 is substantially removed from the complex solution and/or from the reaction chamber.