Method and device for purifying wastewaters

Details for Australian Patent Application No. 2002347038 (hide)

Owner Papierfabrik August Koehler AG

Inventors Kraft, Harald; Benz, Wendelin; Armbruster, Hans-Thomas

Agent Shelston IP

Pub. Number AU-B-2002347038

PCT Number PCT/EP02/11008

PCT Pub. Number WO2003/029152

Priority 101 48 474.7 01.10.01 DE

Filing date 1 October 2002

Wipo publication date 14 April 2003

Acceptance publication date 22 March 2007

International Classifications

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

C02F 3/08 (2006.01) Biological treatment of water, waste water, or sewage - using moving contact bodies

C02F 11/12 (2006.01) Treatment of sludge - by de-watering, drying, or thickening

C02F 1/00 (2006.01) Treatment of water, waste water, or sewage

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 101 48 474.7 01.10.01 DE

26 June 2003 Application Open to Public Inspection

  Published as AU-B-2002347038

22 March 2007 Application Accepted

  Published as AU-B-2002347038

19 July 2007 Standard Patent Sealed

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