RECOVERY OF ADIPONITRILE FROM A MIXTURE OF ADIPONITRILE, AMINOCAPRONITRILE AND HEXAMETHYLENEDIAMINE

Details for Australian Patent Application No. 2003249278 (hide)

Owner E. I. DU PONT DE NEMOURS AND COMPANY

Inventors OSTERMAIER, John, J.; SCOTT, Leon, S.; HASTINGS, James, D.

Pub. Number AU-A-2003249278

PCT Number PCT/US03/22127

PCT Pub. Number WO2004/007434

Priority 10/197,882 17.07.02 US

Filing date 15 July 2003

Wipo publication date 2 February 2004

International Classifications

C07C 253/34 Preparation of carboxylic acid nitriles

C07C 255/04 Carboxylic acid nitriles

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 10/197,882 17.07.02 US

18 March 2004 Application Open to Public Inspection

  Published as AU-A-2003249278

7 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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