Patent · US Expired

New polymerization catalyst

US4791180A · kind A · utility

89Cited by
7References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 1987
Grant dateDec 13, 1988
Priority date
Expiry dateSep 28, 2007

Classification

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

Abstract

An olefin polymerization catalyst comprising the reaction product of a metallocene complex of Group IVB, VB, VIb, and VIII of the Periodic Table and an excess of alumoxane.

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