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:
Sep. 13, 2005
Filed:
Sep. 20, 2004
Chi-i Kuo, Humble, TX (US);
G. Mccullough Laughlin, League City, TX (US);
Pradeep Pandurang Shirodkar, Kingwood, TX (US);
Fred David Ehrman, Houston, TX (US);
Porter Shannon, Seabrook, TX (US);
Robert Lynn Santana, Baytown, TX (US);
Steven K. Ackerman, Baytown, TX (US);
Daniel Gerard O'neil, Metuchen, NJ (US);
Chi-I Kuo, Humble, TX (US);
G. McCullough Laughlin, League City, TX (US);
Pradeep Pandurang Shirodkar, Kingwood, TX (US);
Fred David Ehrman, Houston, TX (US);
Porter Shannon, Seabrook, TX (US);
Robert Lynn Santana, Baytown, TX (US);
Steven K. Ackerman, Baytown, TX (US);
Daniel Gerard O'Neil, Metuchen, NJ (US);
Univation Technologies, LLC, Houston, TX (US);
Abstract
A process of producing a bimodal polyolefin composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefin composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably non-metallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800° C. or more in one embodiment.