PROCESS FOR RECOVERING CAPROLACTAM

Details for Australian Patent Application No. 2002347653 (hide)

Owner DSM N.V.

Inventors SMEETS, Theodorus, Maria; HANGX, Gerardus, Wilhelmus, Adrianus

Pub. Number AU-A-2002347653

PCT Number PCT/NL02/00761

PCT Pub. Number WO2003/045911

Priority 1019432 26.11.01 NL

Filing date 25 November 2002

Wipo publication date 10 June 2003

International Classifications

C07D 201/16 Heterocyclic compounds having only nitrogen as ring hetero atom

C07D 223/10 Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom

B01D 003/10 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping - Vacuum distillation

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 1019432 26.11.01 NL

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002347653

12 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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