ION EXCHANGE MEMBRANES AND DISSOLVED GAS SENSORS

Details for Australian Patent Application No. 2002257460 (hide)

Owner RHOCRAFT RESEARCH AND DEVELOPMENT LTD.

Inventors ROWE, Robert, Donald; FYLES, Thomas, Murray; ROBERTSON, George, David

Pub. Number AU-A-2002257460

PCT Pub. Number WO2003/098205

Filing date 21 May 2002

Wipo publication date 2 December 2003

International Classifications

G01N 027/49 Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - Systems involving the determination of the current at a single specific value, or small range of values, of applied voltage for producing selective measurement of one or more particular ionic species

B01D 069/10 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

B01D 069/14 Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties

G01N 027/40 Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - Semi-permeable membranes or partitions

G01N 027/333 Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - Ion-selective electrodes or membranes

Event Publications

29 January 2004 Application Open to Public Inspection

  Published as AU-A-2002257460

10 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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