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:
Sep. 09, 1980
Filed:
Oct. 16, 1978
Yoshihisa Ushida, Otake, JP;
Kiyoshi Odawara, Waki, JP;
Norio Kashiwa, Iwakuni, JP;
Akinori Toyota, Iwakuni, JP;
Syuji Minami, Otake, JP;
Mitsui Petrochemical Industries Ltd., Tokyo, JP;
Abstract
A process for polymerizing or copolymerizing .alpha.-olefins having at least 3 carbon atoms or copolymerizing .alpha.-olefins having at least 3 carbon atoms with not more than 50 mole % of ethylene in the presence of a catalyst composed of an organometallic compound of a metal of Groups I to III of the periodic table and a titanium catalyst component supported on a halogen-containing magnesium compound, said titanium catalyst component being a solid reaction product obtained by treating (i) a mechanically copulverized product of a halogen-containing compound and an organic acid ester with (ii) an organo-metallic compound of a metal of Groups I to III of the periodic table, and then reacting the resulting solid product with (iii) a titanium compound in the absence of mechanical pulverization.