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:
Feb. 24, 1981
Filed:
Nov. 27, 1979
Applicant:
Inventors:
Nobuyuki Kuroda, Yokohama, JP;
Takeichi Shiraishi, Kawasaki, JP;
Akio Itoh, Yokosuka, JP;
Kazuo Matsuura, Kawasaki, JP;
Mituji Miyoshi, Kanagawa, JP;
Assignee:
Nippon Oil Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526114 ; 2524 / ; 526125 ; 526352 ; 526906 ;
Abstract
According to the present invention, there is provided a process for preparing polyolefins comprising polymerizing or copolymerizing olefins using as catalyst a titanium-containing solid and an organometallic compound of a metal of Groups I to IV of the Periodic Table, said titanium-containing solid consisting of a reaction product obtained by copulverizing (1) a magnesium halide and/or a manganese halide, (2) an organohalide and (3) a tetravalent and/or a trivalent titanium compound(s).