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:
Aug. 11, 1987
Filed:
May. 29, 1986
Applicant:
Inventors:
Kouji Maruyama, Saitama, JP;
Takeshi Nomura, Saitama, JP;
Hiroshi Ueno, Saitama, JP;
Naomi Inaba, Saitama, JP;
Assignee:
Toa Nenryo Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526125 ; 526124 ; 5263485 ; 5263486 ; 526352 ;
Abstract
A process for polymerizing one or more alpha-olefins in the presence of a catalyst system comprising (A) a solid titanium containing catalyst component said component prepared by contacting a magnesium alkoxide, a halogenated hydrocarbon, an electron donor and a titanium compound with one another, and (B) an organoaluminum cocatalyst. In preferred embodiments, the magnesium alkoxide is first contacted with a magnesium halide. The solid titanium containing compound can be treated with an organoaluminum compound.