The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2010
Filed:
Mar. 18, 2005
Applicants:
Vittorio DE Nora, Veyras, CH;
Thinh T. Nguyen, Onex, CH;
Inventors:
Vittorio De Nora, Veyras, CH;
Thinh T. Nguyen, Onex, CH;
Assignee:
Moltech Invent S.A., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 3/06 (2006.01); C25C 3/12 (2006.01); C25C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An anode for electrowinning aluminium comprises an electrically conductive substrate that is covered with an applied electrochemically active coating comprising a layer that contains predominantly cobalt oxide CoO. The CoO layer can be connected to the substrate through an oxygen barrier layer, in particular containing copper, nickel, tungsten, molybdenum, tantalum and/or niobium.