Process for preparing cycloolefin copolymers

US5698645A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Thomas Weller · Mainz, DE
• Frank Osan · Kelkheim, DE
• Frank Kuber · Oberursel, DE
• Michael Aulbach · Hofheim, DE

Key dates

• Filing date: Feb 7, 1997
• Grant date: Dec 16, 1997
• Expiry date: Feb 7, 2017

Classification

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

Abstract

A process for preparing a cycloolefin copolymer by polymerization of at least one cycloolefin and at least one acyclic olefin in the presence of a catalyst which contains at least one cocatalyst and at least one metal-locene of the formula (I) ##STR1##