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. 01, 1981
Filed:
Aug. 03, 1979
Applicant:
Inventor:
Charles M Selman, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Co., Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2524 / ; 2524 / ; 526127 ; 526139 ; 526144 ; 526116 ; 526122 ; 526151 ;
Abstract
Polymerization, catalysts, and preparation thereof comprising milling magnesium metal, an organic halide, and titanium tetrahalide or the milled product in the presence of at least one of magnesium oxide, a triaryl phosphite, a polymeric material, titanium tetrahalide, vanadium tetrahalide, silicon tetrahalide, and an aluminum trihalide. The milled catalyst component can be heat treated prior to activation. The milled titanium catalyst component is activated with an organoaluminum activator producing a catalyst for olefin polymerization.