Patent · US Expired

Polymerization catalyst systems, their production and use

US6117955A · kind A · utility

27Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1996
Grant dateSep 12, 2000
Priority date
Expiry dateJul 30, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2410/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention is generally directed toward a supported catalyst system useful for polymerizing olefins. The method for supporting the catalyst of the invention provides for a supported metallocene catalyst which when utilized in a polymerization process substantially reduces reactor fouling and sheeting in a gas or slurry polymerization process.

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