PROCESS FOR RECOVERING AND PURIFYING CAPROLACTAM FROM AN ORGANIC SOLVENT

Details for Australian Patent Application No. 2002232311 (hide)

Owner DSM N.V.

Inventors GROOT ZEVERT, Louise, Annemarie; LEMMENS, Joannes, Albertus, Wilhelmus; DSINTER-DE HONDT, Maria, Louisa, Christina

Pub. Number AU-A-2002232311

PCT Pub. Number WO2002/070475

Priority 1017471 01.03.01 NL

Filing date 27 February 2002

Wipo publication date 19 September 2002

International Classifications

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

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-A-2002232311

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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