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:
May. 13, 1997
Applicant:
Inventors:
Yoshikuni Okumura, Oita, JP;
Nobuyuki Kibino, Oita, JP;
Tetsuya Maki, Oita, JP;
Akihiro Hori, Oita, JP;
Kiyotaka Ishida, Oita, JP;
Shigenobu Miyake, Oita, JP;
Shintaro Inazawa, Oita, JP;
Assignee:
Japan Polyolefins Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526127 ; 526160 ; 526943 ; 526133 ; 526150 ; 526153 ; 526352 ; 526351 ; 5263482 ;
Abstract
A catalyst component for producing polyolefin, a catalyst for producing polyolefin using the catalyst component, and a process for producing polyolefin in the presence of the catalyst. The catalyst component comprises a metallocene compound represented by formula (1): ##STR1## All the symbols in formula (1) are defined in the description.