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:
Mar. 18, 2003
Filed:
May. 24, 2001
Donald R. Loveday, Houston, TX (US);
David H. McConville, Houston, TX (US);
John F. Szul, Nitro, WV (US);
Kersten Anne Erickson, South Charleston, WV (US);
Simon Mawson, Charleston, WV (US);
Tae Hoon Kwack, Belle Mead, NJ (US);
Frederick J. Karol, Belle Mead, NJ (US);
David James Schreck, Cross Lanes, WV (US);
Univation Technologies, LLC, Houston, TX (US);
Abstract
Catalyst compositions and methods, useful in polymerization processes, utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe.