Method of concentrating a Bayer process liquor

Details for Australian Patent Application No. 2007299598 (hide)

Owner Alcoa of Australia Limited

Inventors Ilievski, Dean; Hay, Peter Stewart

Agent Wrays

Pub. Number AU-B-2007299598

PCT Pub. Number WO2008/034196

Priority 2006905250 22.09.06 AU

Filing date 21 September 2007

Wipo publication date 27 March 2008

Acceptance publication date 18 November 2010

International Classifications

B01D 1/00 (2006.01) Evaporating

C01F 7/04 (2006.01) Compounds of aluminium

F28D 15/02 (2006.01) Heat-exchange apparatus employing intermediate heat-transfer media or bodies - in which the medium condenses and evaporates, e.g. heat-pipes

Event Publications

7 May 2009 PCT application entered the National Phase

  PCT publication WO2008/034196 Priority application(s): WO2008/034196

18 November 2010 Application Accepted

  Published as AU-B-2007299598

3 March 2011 Opposition Lodged

  BHP Billiton Worsley Alumina Pty Ltd has lodged an opposition against Alcoa of Australia Limited.

19 July 2012 Opposition Withdrawn

  The opposition by BHP Billiton Worsley Alumina Pty Ltd against Alcoa of Australia Limited has been withdrawn.

13 September 2012 Standard Patent Sealed

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