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:
Feb. 21, 2012
Filed:
Sep. 28, 2007
Qing Yang, Bartlesville, OK (US);
Max P. Mcdaniel, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Youlu Yu, Bartlesville, OK (US);
David C. Rohlfing, Bartlesville, OK (US);
Michael D. Jensen, Laurel, MD (US);
Qing Yang, Bartlesville, OK (US);
Max P. McDaniel, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Youlu Yu, Bartlesville, OK (US);
David C. Rohlfing, Bartlesville, OK (US);
Michael D. Jensen, Laurel, MD (US);
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Abstract
The present techniques relate to catalyst compositions, methods, and polymers encompassing a Group 4 metallocene compound comprising bridging η-cyclopentadienyl-type ligands, typically in combination with a cocatalyst, and a activator. The compositions and methods presented herein include ethylene polymers with low melt elasticity.