Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Warren S. Letzsch0
Date of Patent
January 20, 2009
0Patent Application Number
110857860
Date Filed
March 21, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a catalytic cracking reactor system and process in which a riser reactor is configured to have two sections of different radii in order to produced improved selectivity to propene and butenes as products.
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