US 6,982,236 B2
Process to polymerize olefins
Timothy T. Wenzel, Charleston, W. Va. (US); and David James Schreck, Cross Lanes, W. Va. (US)
Assigned to Univation Technologies, LLC, Houston, Tex. (US)
Filed on Aug. 28, 2003, as Appl. No. 10/650,956.
Application 10/650956 is a division of application No. 09/729842, filed on Dec. 04, 2000, granted, now 6,656,866.
Prior Publication US 2004/0039138 A1, Feb. 26, 2004
Int. Cl. B01J 31/00 (2006.01); B01J 37/00 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01)
U.S. Cl. 502—117 12 Claims
OG exemplary drawing
 
1. A process to polymerize olefins comprising combining one or more olefins in a polymerization reactor with a supported catalyst system prepared by preparing a combination comprising 1) a first supported catalyst system comprising a support, an activator and a metal catalyst compound, and 2) a second supported catalyst system comprising a support, an activator and a metal catalyst compound and thereafter spray-drying the combination.