DISINTEGRATION OF ANAEROBICALLY DIGESTED SEWAGE SLUDGE

Details for Australian Patent Application No. 2002257768 (hide)

Owner VA TECH WABAG GMBH

Inventors VRANITZKY, Robert; GAMPERER, Thomas; FUCHS, Werner

Pub. Number AU-A-2002257768

PCT Pub. Number WO2002/088034

Priority 01110513.7 27.04.01 EP

Filing date 9 April 2002

Wipo publication date 11 November 2002

International Classifications

C02F 011/04 Treatment of sludge - Anaerobic treatment

C02F 001/78 Treatment of water, waste water, or sewage - with ozone

C02F 003/12 Biological treatment of water, waste water, or sewage - Activated sludge processes

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002257768

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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