Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lawrence A. Smith, Jr.0
Date of Patent
August 30, 2005
0Patent Application Number
103828990
Date Filed
March 6, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A process for the production of diisobutene is disclosed wherein tertiary butyl alcohol is dehydrated to isobutene in a distillation column reactor containing an acid cation exchange resin catalyst in the form of catalytic distillation structure. The isobutene reacts with itself in the presence of the catalyst to form primarily diisobutene which is removed as bottoms from the distillation column reactor with the bulk of the water. Unreacted isobutene along with an azeotrope of water is removed as overheads with the water being separated and removed from the unreacted isobutene. A portion or all of the unreacted isobutene may be returned to the distillation column reactor as reflux.
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