Patent · US Expired

Catalyst modifiers and their use in the polymerization of olefin(s)

US6960549B2 · kind B2 · utility

1Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2001
Grant dateNov 1, 2005
Priority date
Expiry dateMay 10, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F4/65927
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to the use of at least one acid and at least one base and/or at least one reductant and at least one oxidant that when used with a polymerization catalyst in a polymerization process results in the controllable generation of a catalyst inhibitor that renders the polymerization catalyst substantially or completely inactive.

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