Patent · US Active

Controlled distribution of stereospecific sites in Ziegler-Natta catalyst systems

US7851395B2 · kind B2 · utility

1Cited by

2References

6Claims

0Family size

Assignee

Total Petrochemicals Research Feluy · BE

Inventors

David Ribour · Mons, BE
Roger Spitz · New York, US
Jerome Gromada · Waterloo, BE

Key dates

Filing date	Apr 4, 2007
Grant date	Dec 14, 2010
Priority date	—
Expiry date	Apr 4, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F10/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to an improved method for improving the tacticity of Ziegler-Natta catalyst systems and for controlling the behaviour of the active stereospecific sites.

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