Cis-bridged metal complexes and catalyst systems containing the same

US6346324B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Joachim Queisser · Mannheim, DE
• Michael Slany · Tauberbischofsheim, DE
• Ansgar Schäfer · Karlsruhe, DE
• Michael Schulz · Ludwigshafen, DE

Key dates

• Filing date: Sep 18, 2000
• Grant date: Feb 12, 2002
• Expiry date: Sep 18, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2913
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is a cis-bridged metal complex of the formula (I) where R5 is an electron-withdrawing radical, and catalyst systems based on these complexes for copolymerizing carbon monoxide and olefinically unsaturated compounds.