The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2004
Filed:
Jun. 20, 2002
Applicant:
Inventors:
Robert K. Franklin, III, Houston, TX (US);
John D. Hottovy, Bartlesville, OK (US);
Harvey D. Hensley, Bartlesville, OK (US);
David J. Przelomski, Houston, TX (US);
Teddy H. Cymbaluk, Seabrook, TX (US);
Ethelwoldo P. Perez, Sugar Land, TX (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/14 ;
U.S. Cl.
CPC ...
C08F 2/14 ;
Abstract
An olefin polymerization process wherein monomer, at least one olefin comonomer different from the olefin monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The continuous product allows operating the reaction at significantly higher solids content in the circulating slurry.