DETOXIFICATION OF QUATERNARY ONIUM COMPOUNDS WITH POLYCARBOXYLATE CONTAINING COMPOUND

Details for Australian Patent Application No. 2002360588 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors RIVERS, Gordon, T.; FROSTMAN, Lynn, M.; PRZYBYLINSKI, John, L.; MCMAHON, JoAnn

Pub. Number AU-A-2002360588

PCT Number PCT/US02/39878

PCT Pub. Number WO2003/051781

Priority 10/028,802 18.12.01 US

Filing date 12 December 2002

Wipo publication date 30 June 2003

International Classifications

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

3 April 2003 Complete Application Filed

  Priority application(s): 10/028,802 18.12.01 US

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002360588

2 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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