Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Max P. McDaniel0
Thomas R. Parr0
Elizabeth A. Benham0
H. Kenneth Staffin0
Ted H. Cymbaluk0
Charles K. Newsome0
Charles R. Nease0
Date of Patent
February 14, 2012
0Patent Application Number
120042170
Date Filed
December 20, 2007
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Methods and systems for preparing catalyst, such as chromium catalysts, are provided. The valence of at least a portion of the catalyst sent to an activator is changed from Cr(III) to Cr(VI). The catalyst is prepared or activated continuously using a fluidization bed catalyst activator.
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