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:
Mar. 25, 2003
Filed:
Nov. 04, 1999
Applicant:
Inventors:
Joseph S. Shveima, Bartlesville, OK (US);
Max P. McDaniel, Bartlesville, OK (US);
Shirley J. Martin, Bartlesville, OK (US);
Kathy S. Collins, Bartlesville, OK (US);
Elizabeth A. Benham, Bartlesville, OK (US);
Anthony P. Eaton, Dewey, OK (US);
Ashish M. Sukhadia, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/24 ;
U.S. Cl.
CPC ...
C08F 4/24 ;
Abstract
A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film applications.