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:
Oct. 10, 2006
Filed:
Oct. 21, 2003
Joel L. Martin, Bartlesville, OK (US);
Joseph J. Bergmeister, Bartlesville, OK (US);
Eric T. Hsieh, Bartlesville, OK (US);
Max P. Mcdaniel, Bartlesville, OK (US);
Elizabeth A. Benham, Bartlesville, OK (US);
Steven J. Secora, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Joseph J. Bergmeister, Bartlesville, OK (US);
Eric T. Hsieh, Bartlesville, OK (US);
Max P. McDaniel, Bartlesville, OK (US);
Elizabeth A. Benham, Bartlesville, OK (US);
Steven J. Secora, Bartlesville, OK (US);
Phillips Petroleum Company, Bartlesville, OK (US);
Abstract
A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide supported titanium-containing catalyst systems, inorganic oxide supported organo-zirconium catalyst systems and inorganic oxide supported organo-hafnium catalyst systems.