Patent · US Active

Process and apparatus for olefin polymerization in a fluidized bed reactor

US7977436B2 · kind B2 · utility

5Cited by

6References

5Claims

0Family size

Assignee

Westlake Longview Corporation · US

Inventors

Matthew Howard Scott · Longview, US
Kenneth A. Dooley · Porter, US
Bailey James Salmon · Longview, US
Mark Dewayne Lorenz · Longview, US
Paul Keith Scherrer · Johnson City, US
Robert Lin · Kingsport, US
David Lynn Meade · Nickelsville, US
Wayne Scott Strasser · Kingsport, US
Dwayne Ray Leonard · Jonesborough, US

Key dates

Filing date	Mar 31, 2010
Grant date	Jul 12, 2011
Priority date	—
Expiry date	Mar 31, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2208/00707
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process and apparatus for gas phase polymerization of olefins in a fluidized bed reactor are disclosed. The process and apparatus employ a vertically oriented fines ejector in order to reduce fouling and reactor downtime.

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