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:
Apr. 03, 2007
Filed:
Nov. 10, 2004
Joel L. Martin, Bartlesville, OK (US);
Elizabeth A. Benham, Spring, TX (US);
Mark E. Kertok, Bartlesville, OK (US);
Michael D. Jensen, Bartlesville, OK (US);
Max P. Mcdaniel, Bartlesville, OK (US);
Gil R. Hawley, Dewey, OK (US);
Qing Yang, Bartlesville, OK (US);
Matthew G. Thorn, Bartlesville, OK (US);
Ashish M. Sukhadia, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Elizabeth A. Benham, Spring, TX (US);
Mark E. Kertok, Bartlesville, OK (US);
Michael D. Jensen, Bartlesville, OK (US);
Max P. McDaniel, Bartlesville, OK (US);
Gil R. Hawley, Dewey, OK (US);
Qing Yang, Bartlesville, OK (US);
Matthew G. Thorn, Bartlesville, OK (US);
Ashish M. Sukhadia, Bartlesville, OK (US);
Chevron Phillips Chemical Company, LP, The Woodlands, TX (US);
Abstract
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, a third metallocene compound, a chemically-treated solid oxide, and an organoaluminum compound are provided. Methods for preparing and using the catalyst and polyolefins are also provided. The compositions and methods disclosed herein provide ethylene polymers having decreased haze while minimizing impact on other properties, such as dart impact.