Patent · US Expired

&pgr;-complex compounds

US6433112B1 · kind B1 · utility

2Cited by

10References

10Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl-Heinz Aleksander Ostoja-Starzewski · Bad Vilbel, DE
Warren Mark Kelly · Airdrie, CA
Peter Schertl · Leverkusen, DE

Key dates

Filing date	Jul 10, 2000
Grant date	Aug 13, 2002
Priority date	—
Expiry date	Jul 10, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/943
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel &pgr;-complex compounds of transitional metals. The novel &pgr;-complex compounds are suitable for use as catalysts for the (co)polymerization of olefins, cyclo-olefins, alkynes, diolefins, vinyl ester and vinyl aromatics.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.