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:
Nov. 13, 2007

Filed:

Jun. 25, 2004
Applicants:

Michael D. Jensen, Bartlesville, OK (US);

Gil R. Hawley, Dewey, OK (US);

Max P. Mcdaniel, Bartlesville, OK (US);

Tony Crain, Niotaze, KS (US);

Elizabeth A. Benham, Spring, TX (US);

Joel L. Martin, Bartlesville, OK (US);

Qing Yang, Bartlesville, OK (US);

Inventors:

Michael D. Jensen, Bartlesville, OK (US);

Gil R. Hawley, Dewey, OK (US);

Max P. McDaniel, Bartlesville, OK (US);

Tony Crain, Niotaze, KS (US);

Elizabeth A. Benham, Spring, TX (US);

Joel L. Martin, Bartlesville, OK (US);

Qing Yang, Bartlesville, OK (US);

Assignee:

Chevron Phillips Chemical Co., The Woodlands, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/02 (2006.01); C08F 4/6392 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture with the acidic activator-support.


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