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:
Apr. 15, 2003
Filed:
Aug. 29, 2000
Applicant:
Inventor:
Tsuyoshi Watanabe, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ;
U.S. Cl.
CPC ...
B01J 3/138 ; C08F 4/44 ;
Abstract
An olefin polymerization catalyst prepared by contacting a specified transition metal compound(A) having a cyclopentadiene type anion skeletons in its molecule with a modified aluminum oxy compound (B) obtained by reacting an aluminum oxy compound(B1) with a compound having a hydroxyl group(B2), and a process for producing an olefin polymer using the olefin polymerization catalyst.