Inventors:
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
Assignee:
Univation Technologies, LLC - Houston TX
International Classification:
C08F 444
US Classification:
526114, 526160, 526172, 5263482
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.