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:
Dec. 10, 1996
Filed:
Jul. 10, 1995
Applicant:
Inventors:
Sirpa Ala-Huikku, Helsinki, FI;
Marjaana Lommi, Kulloo, FI;
Assignee:
Neste Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502115 ; 502103 ; 502104 ; 502114 ; 502118 ; 502119 ; 502128 ; 502110 ;
Abstract
A procatalyst composition which is suitable for the homo- and copolymerization of alpha olefins together with an organometallic cocatalyst compound and which is prepared by treating an inorganic carrier with a component system containing a complex of a magnesium halide and a tetraalkyl titanate, and a chlorinating compound which does not contain a transition metal compound. In order to raise the Mg:Ti ratio, the component system additionally contains an organomagnesium compound.