Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells

Details for Australian Patent Application No. 2002332463 (hide)

Owner Alcoa Inc.

Inventors Ray, Siba P.; Lacamera, Alfred F.; Kozarek, Robert L.; Roddy, Jerry L.; Liu, Xinghua

Agent Pizzeys

Pub. Number AU-B-2002332463

PCT Number PCT/US02/24780

PCT Pub. Number WO2004/013380

Filing date 5 August 2002

Wipo publication date 23 February 2004

Acceptance publication date 26 June 2008

International Classifications

C25C 3/06 (2006.01) Electrolytic production, recovery or refining of metals by electrolysis of melts

Event Publications

13 February 2003 Complete Application Filed

1 April 2004 Application Open to Public Inspection

  Published as AU-B-2002332463

26 June 2008 Application Accepted

  Published as AU-B-2002332463

23 October 2008 Standard Patent Sealed

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