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Organo-Lewis acid as cocatalyst for cationic homogenous metallocene Ziegler-Natta olefin polymerizations

United States Patent

6,087,460
July 11, 2000
View the Complete Patent at the US Patent & Trademark Office
The synthesis of the organo-Lewis acid perfluorobiphenylborane (PBB) and the activation of metallocenes for the formation of a variety of highly active homogeneous Ziegler-Natta metallocene olefin polymerization, copolymerization and ring-opening polymerization catalysts is described.
Marks; Tobin J. (Evanston, IL), Chen; You-Xian (Chicago, IL)
Northwestern University (Evanston, IL)
09/ 220,741
December 23, 1998
This invention was made with Government support under Contract No. DE-FG02-86ER13511 awarded by the Department of Energy. The Government has certain rights in this invention.