Method of monitoring treating agent residuals and controlling treating agent dosage in water treatment processes

Details for Australian Patent Application No. 2006206459 (hide)

Owner Nalco Company

Inventors Sethumadhavan, Gopi Nath; Johnson, Brian S.

Agent Pipers

Pub. Number AU-A-2006206459

PCT Pub. Number WO2006/078847

Priority 11/038,718 20.01.05 US; 11/331,864 13.01.06 US

Filing date 20 January 2006

Wipo publication date 27 July 2006

International Classifications

G01N 21/64 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Fluorescence

Event Publications

2 August 2007 PCT application entered the National Phase

  PCT publication WO2006/078847 Priority application(s): WO2006/078847

18 August 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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