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:
Oct. 25, 1983
Filed:
Jan. 10, 1983
Applicant:
Inventors:
Akinobu Shiga, all Niihama, JP;
Yukio Naito, all Niihama, JP;
Toshio Sasaki, all Niihama, JP;
Junpei Kojima, all Niihama, JP;
Hiroshi Yoshioka, all Niihama, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526127 ; 526125 ; 526128 ; 526142 ; 526351 ; 502116 ; 502126 ;
Abstract
A process for producing highly stereoregular .alpha.-olefin polymers which comprises polymerizing .alpha.-olefins in the presence of a catalyst system comprising: