METHOD OF REMOVING ORGANIC IMPURITIES FROM WATER

Details for Australian Patent Application No. 2003261065 (hide)

Owner CHEMITREAT PTE LTD

Inventors DEY, Avijit; THOMAS, Gareth, Hugh

Pub. Number AU-A-2003261065

PCT Number PCT/SG03/00219

PCT Pub. Number WO2004/024639

Priority 10/242,479 12.09.02 US

Filing date 12 September 2003

Wipo publication date 30 April 2004

International Classifications

C02F 009/00 Multistep treatment of water, waste water or sewage

C02F 001/44 Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

C02F 001/20 Treatment of water, waste water, or sewage - by degassing, i.e. liberation of dissolved gases

B01D 061/00 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration

B01D 019/00 Degasification of liquids

Event Publications

20 November 2003 Complete Application Filed

  Priority application(s): 10/242,479 12.09.02 US

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003261065

26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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