METHOD FOR CONDITIONING OR DEWATERING SLUDGE DERIVED FROM THE PAPER INDUSTRY OR AGRI-INDUSTRY

Details for Australian Patent Application No. 2002251142 (hide)

Owner RHODIA CHIMIE

Inventors KHATER, Eric; COMMUNAL, JeanPierre

Pub. Number AU-A-2002251142

PCT Pub. Number WO2002/076891

Priority 01/04509 22.03.01 FR

Filing date 22 March 2002

Wipo publication date 8 October 2002

International Classifications

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

C02F 011/00 Treatment of sludge

C02F 011/12 Treatment of sludge - by de-watering, drying, or thickening

C02F 011/14 Treatment of sludge - with addition of chemical agents

C02F 001/54 Treatment of water, waste water, or sewage - using organic material

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

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002251142

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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