Patent · US Expired

Process for preparing an olefin polymerization catalyst component with improved high temperature activity

US7659223B2 · kind B2 · utility

1Cited by

5References

45Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Timo Leinonen · Tolkkinen, FI
Peter Denifl · Gries am Brenner, AT
Holger Pöhler · Helsinki, FI

Key dates

Filing date	Sep 30, 2003
Grant date	Feb 9, 2010
Priority date	—
Expiry date	Jul 3, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F110/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having an improved high temperature activity and the use thereof in a process for polymerizing olefins.

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