Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger A. Grey0
Mark P. Kaminsky0
Date of Patent
August 14, 2007
0Patent Application Number
107854550
Date Filed
February 24, 2004
0Patent Primary Examiner
Patent abstract
Used noble metal-containing titanium zeolite catalysts, that have been employed in the liquid-phase epoxidation of olefins with hydrogen and oxygen in the presence of a buffer, are regenerated by heating the used catalyst at a temperature of at least 250° C. in the presence of a oxygen-containing gas stream, followed by reduction at a temperature of at least 20° C. in the presence of a hydrogen-containing gas stream to form a reactivated catalyst.
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