USE OF POLYMER AS FLOCCULATION AID IN MEMBRANE FILTRATION

Details for Australian Patent Application No. 2003271477 (hide)

Owner ZENON ENVIRONMENTAL INC.

Inventors CADERA, Jason; COTE, Pierre

Pub. Number AU-A-2003271477

PCT Number PCT/CA03/01504

PCT Pub. Number WO2004/031083

Priority 10/261,698 02.10.02 US

Filing date 30 September 2003

Wipo publication date 23 April 2004

International Classifications

C02F 001/56 Treatment of water, waste water, or sewage

B01D 061/16 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Feed pretreatment

C02F 009/00 Multistep treatment of water, waste water or sewage

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

Event Publications

22 January 2004 Complete Application Filed

  Priority application(s): 10/261,698 02.10.02 US

27 May 2004 Application Open to Public Inspection

  Published as AU-A-2003271477

30 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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