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:
Jan. 07, 1986
Filed:
Aug. 30, 1984
Applicant:
Inventors:
Yoshirou Shigetomi, Fujisawa, JP;
Toshi Suzuki, Chigasaki, JP;
Katsnori Fukui, Chigasaki, JP;
Masuo Inoue, Chigasaki, JP;
Motoaki Nomura, Yokohama, JP;
Katuyoshi Miyoshi, Chigasaki, JP;
Assignee:
Toho Titanium Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502105 ; 502112 ; 502126 ; 526128 ;
Abstract
A process for preparation of a component of a catalyst for polymerization of .alpha.-olefins is disclosed. The process comprises the steps of heating a titanium containing component during and/or after milling operation thereof. The titanium-containing catalyst component thus produced makes it possible to produce polymers having a high stereoregularity in high specific yield.