PROCESS AND PLANT FOR THE RECOVERY OF PHOSPHOROUS AND COAGULANTS FROM SLUDGE

Details for Australian Patent Application No. 2002314669 (hide)

Owner CHEMATUR ENGINEERING AB FERALCO AB

Inventors STENDAHL, Kjell; STENMARK, Lars; JAFVERSTROM, Stefan

Pub. Number AU-A-2002314669

PCT Number PCT/SE02/01221

PCT Pub. Number WO2003/000602

Priority 0102222-7 21.06.01 SE

Filing date 20 June 2002

Wipo publication date 8 January 2003

International Classifications

C02F 001/52 Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

C01B 025/00 Phosphorus

C02F 011/08 Treatment of sludge

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 0102222-7 21.06.01 SE

19 June 2003 Application Open to Public Inspection

  Published as AU-A-2002314669

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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