Patent · US Expired

Polymerization process

US6894127B2 · kind B2 · utility

5Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 2001
Grant dateMay 17, 2005
Priority date
Expiry dateNov 14, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S526/901
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a process for the gas-phase (co-)polymerization of olefins in a fluidised bed reactor using a late transition metal catalyst characterised in that the polymerization is performed in the presence of a process aid additive.

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