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:
May. 12, 2009
Filed:
Dec. 18, 2002
Applicants:
Peter Denifl, Gries am Brenner, AT;
Erik Van Praet, Västra Frolunda, SE;
Michael Bartke, Järvenpää, FI;
Inventors:
Peter Denifl, Gries am Brenner, AT;
Erik Van Praet, Västra Frolunda, SE;
Michael Bartke, Järvenpää, FI;
Assignee:
Borealis Technology OY, Porvoo, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 37/00 (2006.01); B01J 31/00 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for producing an olefin polymerisation catalyst, comprising suspending a porous particulate support material in a liquid/liquid two phase system, which comprises a solution of one or more catalyst components and an inert solvent immiscible therewith, to impregnate said solution into the pores of said support material, wherein the active transition metal concentration in the support is from 0.001 to 10% by weight of the dry catalyst system.