DEVICE FOR STIRRING AND AERATING A LIQUID IN A TREATMENT VESSEL

Details for Australian Patent Application No. 2002257866 (hide)

Owner INNOVA ENVIRONNEMENT

Inventors BOULANT, Alain

Pub. Number AU-A-2002257866

PCT Pub. Number WO2002/085502

Priority 01/05293 19.04.01 FR

Filing date 17 April 2002

Wipo publication date 5 November 2002

International Classifications

B01F 003/04 Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed - gases or vapours with liquids

C02F 003/22 Biological treatment of water, waste water, or sewage - using circulation pipes

C02F 003/16 Biological treatment of water, waste water, or sewage

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002257866

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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