METHOD FOR THE FILTRATION OF AN AQUEOUS REACTION MIXTURE ARISING IN THE PRODUCTION OF HYDROXYLAMINE

Details for Australian Patent Application No. 2002325331 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors BITTERLICH, Stefan; VOSS, Hartwig; WILFINGER, Hans, Jorg

Pub. Number AU-A-2002325331

PCT Number PCT/EP02/07890

PCT Pub. Number WO2003/011753

Priority 101 36 476.8 27.07.01 DE

Filing date 16 July 2002

Wipo publication date 17 February 2003

International Classifications

C01B 021/14 Nitrogen

B01D 061/14 Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration - Ultrafiltration

Event Publications

16 January 2003 Complete Application Filed

  Priority application(s): 101 36 476.8 27.07.01 DE

29 May 2003 Application Open to Public Inspection

  Published as AU-A-2002325331

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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