METHOD OF CALIBRATING THE ZERO POINT OF AN APPARATUS USED TO DETERMINE A QUANTITY OF SILICA USING A COLORIMETRIC METHOD

Details for Australian Patent Application No. 2003286215 (hide)

Owner HACH SAS

Inventors MATSCHENKO, Alec; LEMAITRE, Fabien; QARBI, Rachid

Pub. Number AU-A-2003286215

PCT Number PCT/FR2003/0029

PCT Pub. Number WO2004/031751

Priority 02/12305 04.10.02 FR

Filing date 3 October 2003

Wipo publication date 23 April 2004

International Classifications

G01N 021/78 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 031/22 Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups - using chemical indicators

G01N 033/18 Investigating or analysing materials by specific methods not covered by groups - Water

Event Publications

1 April 2004 Complete Application Filed

  Priority application(s): 02/12305 04.10.02 FR

27 May 2004 Application Open to Public Inspection

  Published as AU-A-2003286215

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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