Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell

Details for Australian Patent Application No. 2002347007 (hide)

Owner FLEXSYS B.V.

Inventors Korpel, Fred; Rains, Roger Keranen; Boerman, Gerrit Jan

Agent Griffith Hack

Pub. Number AU-A-2002347007

PCT Number PCT/EP02/11454

PCT Pub. Number WO2003/033121

Priority 01203863.4 12.10.01 EP

Filing date 7 October 2002

Wipo publication date 28 April 2003

International Classifications

B01D 061/44 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration

C07C 209/84 Preparation of compounds containing amino groups bound to a carbon skeleton

B01D 065/02 Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 01203863.4 12.10.01 EP

3 July 2003 Application Open to Public Inspection

  Published as AU-A-2002347007

1 May 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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