Purification of phosphoric acid plant pond water

Details for Australian Patent Application No. 2002348381 (hide)

Owner IMC GLOBAL OPERATIONS INC.

Inventors Michalski, Dennis, H.; Astley, Vaughn, V.; Jardine, Kenneth, J.

Agent FB Rice

Pub. Number AU-A-2002348381

PCT Number PCT/US02/33775

PCT Pub. Number WO2003/035557

Priority 10/082,564 21.02.02 US; 60/353,359 25.10.01 US; 10/082,841 21.02.02 US

Filing date 22 October 2002

Wipo publication date 6 May 2003

International Classifications

C02F 001/66 Treatment of water, waste water, or sewage - by neutralisation

C02F 001/52 Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 10/082,564 21.02.02 US; 60/353,359 25.10.01 US; 10/082,841 21.02.02 US

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002348381

6 April 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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