Immersed-membrane water treating filtering device comprising means preventing filterable medium backflowing to filter cleaning gas injecting means

Details for Australian Patent Application No. 2005247637 (hide)

Owner OTV SA

Inventors Dumoulin, Laurence; Goudal, Christian; Badard, Michel

Agent Patent Attorney Services

Pub. Number AU-A-2005247637

PCT Pub. Number WO2005/115594

Priority 0404552 29.04.04 FR

Filing date 27 April 2005

Wipo publication date 8 December 2005

International Classifications

B01D 61/18 (2006.01) Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Apparatus therefor

B01D 63/02 (2006.01) Apparatus in general for separation processes using semi-permeable membranes - Hollow fibre modules

B01D 65/02 (2006.01) Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

B01D 65/08 (2006.01) Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

B01F 3/04 (2006.01) Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed - gases or vapours with liquids

C02F 1/44 (2006.01) Treatment of water, waste water, or sewage - by dialysis, osmosis or reverse osmosis

C02F 3/12 (2006.01) Biological treatment of water, waste water, or sewage - Activated sludge processes

Event Publications

4 January 2007 PCT application entered the National Phase

  PCT publication WO2005/115594 Priority application(s): WO2005/115594

25 November 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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