Catalyst composition, method of polymerization, and polymer...

Details Catalyst composition, method of polymerization, and polymer... Catalyst composition, method of polymerization, and polymer...

2005-01-11

2005-01-11

Cheung, William K. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S172000, C526S348200

Reexamination Certificate

active

06841631

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.

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