Patent · US Expired

Olefin polymerization process

US6921799B1 · kind B1 · utility

28Cited by
5References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 1999
Grant dateJul 26, 2005
Priority date
Expiry dateDec 9, 2019

Classification

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

Abstract

The invention relates to a process for the preparation of an olefin polymer comprising at least two polymerization stage in the presence of an olefin polymerization catalyst material, an olefin polymer produced by such process, and the use of such polymers for the production of fibres, pipes, films, moulded products and products for wire and cable applications.

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