Chlorine-free, non-drying isobutene/diene copolymers and process for their preparation

US5556932A · kind A · utility

Assignee

• BASF SE

Inventors

• Hans Peter Rath · Havelsee, DE
• Konrad Knoll · Mannheim, DE
• Helmut Mach · Heidelberg, DE

Key dates

• Filing date: Feb 25, 1994
• Grant date: Sep 17, 1996
• Expiry date: Feb 25, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10M2205/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Chlorine-free, non-drying copolymer of isobutene with C.sub.4 -C.sub.10 -dienes having isolated or conjugated double bonds and containing at least 60 mol % of terminal double bonds, and a process for their preparation.