Patent Number: 6,841,631

Title: Catalyst composition, method of polymerization, and polymer therefrom

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.

Inventors: Loveday; Donald R. (Houston, TX), McConville; David H. (Houston, TX), Szul; John F. (Nitro, WV), Erickson; Kersten Anne (South Charleston, WV), Mawson; Simon (Charleston, WV), Kwack; Tae Hoon (Belle Mead, NJ), Karol; Frederick J. (Belle Mead, NJ), Schreck; David James (Cross Lanes, WV)

Assignee: Univation Technologies, LLC

International Classification: C08F 10/00 (20060101); C08F 10/02 (20060101); C08F 210/00 (20060101); C08F 210/16 (20060101); C08L 23/00 (20060101); C08L 23/16 (20060101); C08L 23/08 (20060101); C08F 4/00 (20060101); C08F 4/659 (20060101); C08F 4/6592 (20060101); C08F 004/44 ()

Expiration Date: 01/11/2022