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. 23, 1998
Filed:
Dec. 07, 1995
Applicant:
Inventors:
Assignee:
Tosoh Corporation, Shinnanyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526134 ; 576160 ; 576943 ; 576114 ; 576133 ; 576126 ; 556 11 ; 556 53 ; 502103 ; 502117 ; 502129 ;
Abstract
A novel organic transition metal compound is disclosed, which is represented by the following formula (1): ##STR1## wherein the all symbols are defined in the disclosure. A polymerization catalyst comprising the organic transition metal compound and a process for the preparation of a polyolefin using the polymerization catalyst are also disclosed.