Method for separating trioxane from a mixture containing trioxane, formaldehyde and water

Details for Australian Patent Application No. 2004308627 (hide)

Owner BASF Aktiengesellschaft

Inventors Ott, Michael; Grutzner, Thomas; Friese, Thorsten; Lang, Neven; Hasse, Hans; Siegert, Markus; Stammer, Achim; Blagov, Sergej; Stroefer, Eckhard

Agent Watermark

Pub. Number AU-A-2004308627

PCT Pub. Number WO2005/063353

Priority 103 61 518.0 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

B01D 3/14 (2006.01) Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping - Fractional distillation

B01D 3/36 (2006.01) Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping

Event Publications

13 July 2006 PCT application entered the National Phase

  PCT publication WO2005/063353 Priority application(s): WO2005/063353

15 May 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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