Electrolytic production of high purity aluminum using ceramic inert anodes

Details for Australian Patent Application No. 2002338623 (hide)

Owner Alcoa Inc.

Inventors Ray, Siba P.; Dynys, Joseph M.; Lacamera, Alfred F.; LIU, Xinghua; Phelps, Frankie E.; Dimilia, Robert A.; WEIRAUCH, Douglas, A.

Agent Wrays

Pub. Number AU-B-2002338623

PCT Number PCT/US02/11472

PCT Pub. Number WO2002/083992

Priority 09/835,595 16.04.01 US

Filing date 12 April 2002

Wipo publication date 28 October 2002

Acceptance publication date 24 May 2007

International Classifications

C25C 3/12 (2006.01) Electrolytic production, recovery or refining of metals by electrolysis of melts

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 09/835,595 16.04.01 US

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002338623

24 May 2007 Application Accepted

  Published as AU-B-2002338623

20 September 2007 Standard Patent Sealed

17 January 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 05 Dec 2007. Address for service in Australia - Wray & Associates Level 4, The Quadrant 1 William Street Perth WA 6000 2003

12 June 2008 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 05 Dec 2007 2003

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