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.

Date of Patent:
Jul. 12, 2005

Filed:

Nov. 09, 2001
Applicants:

Chun-byung Yang, Daejon, KR;

Won-young Kim, Daejon, KR;

Weon Lee, Daejon, KR;

Inventors:

Chun-Byung Yang, Daejon, KR;

Won-Young Kim, Daejon, KR;

Weon Lee, Daejon, KR;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J031/00 ; B01J037/00 ; C08F004/02 ; C08F004/60 ;
U.S. Cl.
CPC ...
Abstract

A method of making an olefin polymerization catalyst is disclosed. The method involves contacting a magnesium halide compound with an alcohol, adding a mineral oil to the product, reacting this product with a hydroxylated ester and an alkoxy silane, then adding a titanium compound and a second silicon compound. The titanium compound is preferably an alkoxy halide, and the second silicon compound is preferably a silicon halide.


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