METHOD OF DEWATERING SLUDGE USING ENZYMES

Details for Australian Patent Application No. 2003239839 (hide)

Owner ONDEO NALCO COMPANY

Inventors SARKAR, Jawed; SHAH, Jitendra; RAMESH, Manian

Pub. Number AU-A-2003239839

PCT Number PCT/US03/02114

PCT Pub. Number WO2003/064336

Priority 10/059,473 29.01.02 US; 10/347,891 22.01.03 US

Filing date 23 January 2003

Wipo publication date 2 September 2003

International Classifications

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

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 10/059,473 29.01.02 US; 10/347,891 22.01.03 US

18 September 2003 Application Open to Public Inspection

  Published as AU-A-2003239839

27 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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