Patent · US Active

Process for the preparation of polypropylene

US7956148B2 · kind B2 · utility

0Cited by

2References

32Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Eberhard Ernst · Linz, AT
Manfred Stadlbauer · Linz, AT

Key dates

Filing date	Apr 16, 2007
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Oct 22, 2027

Classification

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

Abstract

The present invention relates to a process for the preparation of polypropylene using a catalyst system of low porosity, the catalyst system comprising an asymmetric catalyst, wherein the catalyst system has a porosity of less than 1.40 ml/g.

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