Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuo Shoji0
Satoshi Terai0
Date of Patent
April 10, 2007
0Patent Application Number
106429520
Date Filed
August 18, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A process for producing dimethyl ether, which includes dehydrating methanol in vapor phase in the presence of an activated alumina catalyst having an average pore radius of 2.5 nm to 8.0 nm both inclusive and having a sodium oxide content of 0.07 wt % or less. This invention provides a process for producing DME with an improved conversion ratio using a highly active DME-production catalyst.
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