Patent · US Expired

Catalyst systems and their use in a polymerization process

US6380328B1 · kind B1 · utility

86Cited by
8References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1999
Grant dateApr 30, 2002
Priority date
Expiry dateDec 10, 2019

Classification

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

Abstract

The present invention relates to mixed catalyst system of a Group 15 containing metal catalyst compound, a bulky ligand metallocene-type catalyst compound, and a Lewis acid aluminum containing activator and to a supported version thereof and for their use in a process for polymerizing olefin(s).

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