PROCESS FOR PRODUCING POTASSIUM HYDROXIDE AND PO- TASSIUM SULFATE FROM SODIUM SULFATE

Details for Australian Patent Application No. 2002218932 (hide)

Owner AIRBORNE INDUSTRIAL MINERALS INC.

Inventors ROBIN, Phinney

Pub. Number AU-A-2002218932

PCT Pub. Number WO2002/057185

Priority 09/759,253 16.01.01 US

Filing date 10 January 2002

Wipo publication date 30 July 2002

International Classifications

C01D 005/00 Sulfates or sulfites of sodium, potassium, or alkali metals in general

C25B 001/16 Electrolytic production of inorganic compounds or non-metals

C01D 005/08 Sulfates or sulfites of sodium, potassium, or alkali metals in general

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-A-2002218932

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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