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. 02, 1992
Filed:
Jul. 05, 1988
Applicant:
Inventors:
Yozo Kondo, Yokkaichi, JP;
Mitsuhiro Mori, Aichi, JP;
Yutaka Naito, Komono, JP;
Hideyuki Takitani, Yokkaichi, JP;
Toshikazu Chikusa, Yokkaichi, JP;
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526128 ; 502119 ; 502125 ; 526122 ; 526124 ; 526127 ; 526352 ;
Abstract
A manufacturing method of polyolefin is disclosed wherein the catalyst used for the polymerization of .alpha.-olefins at a temperature lower than the melting point of polymer in the presence of said Ziegler type catalyst and hydrogen comprises of