Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 14, 2009
Patent Application Number
10759137
Date Filed
January 20, 2004
Patent Primary Examiner
Patent abstract
Copper/alumina compositions for use as, e.g., catalysts are made by impregnating a porous transition alumina support with an aqueous solution of a copper ammine carbonate complex, draining off any excess of the impregnating solution, and then heating the impregnated support to a temperature above 80° C. to decompose the complex, thereby depositing a basic copper carbonate compound on the surfaces of the pores of the transition alumina support. After reduction, the composition has a high copper surface area, expressed per unit weight of copper in the composition.
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