Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David G. Woods0
Michael J. Keenan0
Mitchell E. Loescher0
Paul W. Allen0
Steven E. Silverberg0
Date of Patent
December 5, 2006
0Patent Application Number
108985060
Date Filed
July 23, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Alkenes, such as normal butenes in a mixed C4 stream are oligomerized, preferably to dimers, which are dimerized in a distillation column reactor over ZSM-57 zeolite catalyst at high conversions and high selectivity to octenes. Prior to oligomerization the mixed C4 stream is pretreated to remove dimethyl ether, butadienes and sulfur compounds.
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