Supported biofilm apparatus and process

Details for Australian Patent Application No. 2004210726 (hide)

Owner Zenon Environmental inc.

Inventors Towe, Ian G.; Behmann, Henry; Pottinger, Ian A.; Cote, Pierre; Husain, Hidayat

Agent Wallington-Dummer

Pub. Number AU-A-2004210726

PCT Pub. Number WO2004/071973

Priority 2,438,101 22.08.03 CA; 60/447,025 13.02.03 US; 60/496,178 18.08.03 US; 2,438,441 22.08.03 CA; 2,438,432 22.08.03 CA; 2,438,050 22.08.03 CA

Filing date 13 February 2004

Wipo publication date 26 August 2004

International Classifications

C02F 003/10 Biological treatment of water, waste water, or sewage - Packings

B01D 063/02 Apparatus in general for separation processes using semi-permeable membranes - Hollow fibre modules

B01D 063/04 Apparatus in general for separation processes using semi-permeable membranes - comprising multiple hollow fibre assemblies

C02F 003/20 Biological treatment of water, waste water, or sewage - using diffusers

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

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

Event Publications

28 July 2005 PCT application entered the National Phase

  PCT publication WO2004/071973 Priority application(s): WO2004/071973

7 December 2006 Assignment before Grant

  Zenon Environmental Inc The application has been assigned to Zenon Technology Partnership

13 September 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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