BIOLOGICAL TREATMENT PROCESS INVOLVING POST-DENITRIFICATION MECHANISM AND A MEMBRANE FIL- TER

Details for Australian Patent Application No. 2002237267 (hide)

Owner COMPAGNIE GENERALE DES EAUX BERLINER WASSER BETRIEBE

Inventors GNIRSS, Regina; LESJEAN, Boris

Pub. Number AU-A-2002237267

PCT Pub. Number WO2003/057632

Filing date 7 January 2002

Wipo publication date 24 July 2003

International Classifications

C02F 003/12 Biological treatment of water, waste water, or sewage - Activated sludge processes

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

C02F 003/30 Biological treatment of water, waste water, or sewage - Aerobic and anaerobic processes

Event Publications

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002237267

23 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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