Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 8, 2008
Patent Application Number
11785654
Date Filed
April 19, 2007
Patent Primary Examiner
Patent abstract
The present invention relates to a process for preparing tetrahydrofuran from 1,4-butandiol. According to the process in the present invention, a metal sulfate catalyst selected from the group consisting of aluminum sulfate, nickel sulfate, ferrous sulfate and chrome sulfate is pre-treated with an inert gas to be activated, followed by introducing into a reactor together with 1,4-butandiol.
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