Cyclic aeration system for submerged membrane modules

Details for Australian Patent Application No. 2003271311 (hide)

Owner Zenon Technology Partnership

Inventors Singh, Manwinder; Rabie, Hamid; Janson, Arnold; Cote, Pierre

Agent Griffith Hack

Pub. Number AU-B-2003271311

Parent 60738

Filing date 19 December 2003

Wipo publication date 29 January 2004

Acceptance publication date 28 April 2005

International Classifications

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

B01D 065/02 Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

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

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

Event Publications

15 January 2004 Complete Application Filed

29 January 2004 Application Open to Public Inspection

  Published as AU-B-2003271311

28 April 2005 Application Accepted

  Published as AU-B-2003271311

4 August 2005 Opposition Lodged

  Memcor Australia Pty Ltd has lodged an opposition against Zenon Environmental Inc.

25 January 2007 Assignment before Grant

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

24 April 2008 Opposition Dismissed

  The opposition by Memcor Australia Pty Ltd against Zenon Technology Partnership has been dismissed.

5 June 2008 Assignment before Grant

  Zenon Technology Partnership The application has been assigned to GE BetzDearborn Canada Company

19 June 2008 Standard Patent Sealed

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