The recovery of alumina trihydrate during the Bayer process using a water continuous polymer

Details for Australian Patent Application No. 2007316382 (hide)

Owner Nalco Company

Inventors Wang, Jing; Davis, David C.; Strominger, Michael G.; O'Brien, Kevin L.

Agent Shelston IP

Pub. Number AU-A-2007316382

PCT Pub. Number WO2008/058183

Priority 11/557,341 07.11.06 US

Filing date 7 November 2007

Wipo publication date 15 May 2008

International Classifications

C01F 1/00 (2006.01) Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general

C01F 7/04 (2006.01) Compounds of aluminium

Event Publications

28 May 2009 PCT application entered the National Phase

  PCT publication WO2008/058183 Priority application(s): WO2008/058183

23 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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