Olefin polymerization with group 4 metal-containing organosilicon dendrimers

US6313239A · kind A · utility

Assignees

• BAYER HEALTHCARE LLC · DE
• Bayer A.G. · DE
• Massachusetts Institute of Technology · US

Inventors

• Dietmar Seyferth · Lexington, US
• Ralf Wyrwa · Kahla, DE
• Uli Franz · Solingen, DE
• Sigurd Becke · Rösrath, DE

Key dates

• Filing date: Mar 5, 1996
• Grant date: Nov 6, 2001
• Expiry date: Mar 5, 2016

Classification

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

Abstract

Group 4 metal-containing organosilicon dendrimers are described. Also described are methods for synthesizing the dendrimers. The dendrimers can be useful in several applications including as olefin polymerization and copolymerization catalysts and as silane polymerization catalysts.