Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification

Details for Australian Patent Application No. 2004309046 (hide)

Owner BASF Aktiengesellschaft

Inventors Stroefer, Eckhard; Siegert, Markus; Hasse, Hans; Stammer, Achim; Lang, Neven; Friese, Thorsten

Agent Watermark

Pub. Number AU-A-2004309046

PCT Pub. Number WO2005/063733

Priority 103 61 516.4 23.12.03 DE

Filing date 21 December 2004

Wipo publication date 14 July 2005

International Classifications

C07D 323/06 (2006.01) Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms

Event Publications

13 July 2006 PCT application entered the National Phase

  PCT publication WO2005/063733 Priority application(s): WO2005/063733

20 November 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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