Aluminium electrowinning cells with inclined cathodes

Details for Australian Patent Application No. 2002321778 (hide)

Owner Moltech Invent S.A.

Inventors De Nora, Vittorio

Agent Callinan

Pub. Number AU-B-2002321778

PCT Number PCT/IB02/03517

PCT Pub. Number WO2003/023091

Priority PCT/IB01/01634 07.09.01 IB

Filing date 29 August 2002

Wipo publication date 24 March 2003

Acceptance publication date 10 January 2008

International Classifications

C25C 3/08 (2006.01) Electrolytic production, recovery or refining of metals by electrolysis of melts

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): PCT/IB01/01634 07.09.01 IB

19 June 2003 Application Open to Public Inspection

  Published as AU-B-2002321778

10 January 2008 Application Accepted

  Published as AU-B-2002321778

15 May 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

7 August 2008 Section 223 Application Allowed

  Moltech Invent S.A. The time in which to pay the acceptance fee has been extended to 10 Jun 2008. Address for service in Australia - Callinans 1193 Toorak Road Camberwell VIC 3124

14 August 2008 Standard Patent Sealed

4 November 2010 Assignment Registered

  Moltech Invent S.A. The patent has been assigned to Rio Tinto Alcan International Limited

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