Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vittorio De Nora0
Thinh T. Nguyen0
Date of Patent
December 7, 2010
0Patent Application Number
105916340
Date Filed
March 18, 2005
0Patent Primary Examiner
Patent abstract
An anode for electrowinning of aluminium from alumina comprises a cobalt-containing metallic outer part that is covered with an integral oxide layer containing predominantly cobalt oxide CoO. The integral oxide layer can be formed by surface oxidation of cobalt from the metallic outer part before use.
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