Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
11790171
Date Filed
April 24, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved method of reducing a mixed metal oxide composition comprising oxides of nickel, cobalt, copper and iron in a hydrogen atmosphere to produce a mixture of the respective metals, the improvement wherein the atmosphere further comprises water vapour at a concentration, temperature and time to effect selective reduction of the oxides of nickel cobalt and copper relative to the iron oxide to produce the metallic mixture having a reduced ratio of metallic iron relative to metallic nickel, cobalt and copper.
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