METHOD FOR PURIFYING TETRAHYDROFURAN BY DISTILLATION

Details for Australian Patent Application No. 2003214082 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors WECK, Alexander; FISCHER, RolfHartmuth; ROSCH, Markus; BOTTKE, Nils; HESSE, Michael; SCHLITTER, Stephan; BORCHERT, Holger; WINDECKER, Gunther

Pub. Number AU-A-2003214082

PCT Number PCT/EP03/02045

PCT Pub. Number WO2003/074507

Priority 102 09 632.5 02.03.02 DE

Filing date 28 February 2003

Wipo publication date 16 September 2003

International Classifications

C07D 307/08 Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

B01D 003/14 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping - Fractional distillation

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 102 09 632.5 02.03.02 DE

23 October 2003 Application Open to Public Inspection

  Published as AU-A-2003214082

18 November 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2003214083-IMPROVEMENTS IN OR RELATING TO STEERING PIVOTS

2003214081-DETERMINING A SURFACE PROFILE OF AN OBJECT