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:
Jan. 11, 2005

Filed:

Nov. 17, 2003
Applicants:

Kersten Anne Terry, Charleston, WV (US);

Mark Gregory Goode, Hurricane, WV (US);

Daniel E. Wente, Houston, TX (US);

John Chirillo, Jr., Friendswood, TX (US);

Simon Mawson, Orlando, FL (US);

Jose Fernando Cevallos-candau, Charleton, WV (US);

Inventors:

Kersten Anne Terry, Charleston, WV (US);

Mark Gregory Goode, Hurricane, WV (US);

Daniel E. Wente, Houston, TX (US);

John Chirillo, Jr., Friendswood, TX (US);

Simon Mawson, Orlando, FL (US);

Jose Fernando Cevallos-Candau, Charleton, WV (US);

Assignee:

Univation Technologies, LLC, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 234 ;
U.S. Cl.
CPC ...
Abstract

Processes for transitioning among polymerization catalyst systems, preferably catalyst systems, which are incompatible with each other. Particularly, processes for transitioning among olefin polymerization reactions utilizing silyl-chromate catalyst systems and metallocene catalyst systems.


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