Patent · US Expired

Slurry phase polymerisation process

US7632899B2 · kind B2 · utility

2Cited by

34References

20Claims

0Family size

Assignee

INEOS MANUFACTURING BELGIUM NV · BE

Inventors

Stephen Kevin Lee · Oakland, US
Daniel Marissal · Braine-le-Comte, BE
Brent R. Walworth · Sint-Niklaas, BE

Key dates

Filing date	Nov 22, 2005
Grant date	Dec 15, 2009
Priority date	—
Expiry date	Nov 22, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S526/918
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process comprising polymerizing in a loop reactor an olefin monomer optionally together with an olefin comonomer in the presence of a polymerization catalyst in a diluent to produce a slurry comprising solid particulate olefin polymer and the diluent wherein the Froude number is maintained at or below 20 is disclosed.

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