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. 09, 1996
Filed:
Aug. 09, 1994
Applicant:
Inventors:
Akira Sano, Kawasaki, JP;
Takeichi Shiraishi, Kawasaki, JP;
Sinichi Yanahashi, Yokohama, JP;
Hiroyuki Shimizu, Tokyo, JP;
Kazuo Matsuura, Tokyo, JP;
Assignee:
Nippon Oil Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502113 ; 502110 ; 502114 ; 502115 ; 502120 ; 502123 ; 502125 ; 502126 ; 502127 ; 526114 ; 526116 ; 526119 ; 5261244 ; 5261246 ;
Abstract
Polyolefins having better particle properties are obtained by polymerizing olefins in the presence of a catalyst comprising a solid catalyst component and an organometallic compound, the said solid catalyst component being prepared by reacting the following components [I] and [II] and further reacting the resulting reaction product with the following component [III]: