A METHOD FOR SUPPLYING OXYGEN TO A WATER PURIFICATION PROCESS

Details for Australian Patent Application No. 2003279684 (hide)

Owner KEMIRA KEMI AB

Inventors SZWAJCER DEY, Estera; NORRLOW, Olof

Pub. Number AU-A-2003279684

PCT Number PCT/SE03/01797

PCT Pub. Number WO2004/048281

Priority 0203529-3 28.11.02 SE

Filing date 20 November 2003

Wipo publication date 18 June 2004

International Classifications

C02F 003/02 Biological treatment of water, waste water, or sewage - Aerobic processes

C12N 001/38 Micro-organisms, e.g. protozoa - Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 0203529-3 28.11.02 SE

22 July 2004 Application Open to Public Inspection

  Published as AU-A-2003279684

11 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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