Patent · US Expired

Preparation of supported catalyst systems containing reduced amounts of aluminoxanes

US7446072B2 · kind B2 · utility

0Cited by

9References

29Claims

0Family size

Assignee

Basell Polyolefine GmbH · DE

Inventors

Heike Gregorius · Kastellaun, DE
Volker Fraaije · Frankfurt, DE
Manfred Lutringshauser · Bischofswerda, DE

Key dates

Filing date	Dec 16, 2003
Grant date	Nov 4, 2008
Priority date	—
Expiry date	Dec 16, 2023

Classification

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

Abstract

The present invention relates to a process for preparing a catalyst solid for olefin polymerization, comprising a finely divided support, an aluminoxane and a metallocene compound, which comprises

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