Production of 5-methyl-1-hydrocarbyl-2-pyrrolidone by reductive amination of levulinic acid

Details for Australian Patent Application No. 2004223847 (hide)

Owner E.I. Dupont De Nemours and Company

Inventors Manzer, Leo Ernest

Agent Houlihan2

Pub. Number AU-A-2004223847

PCT Pub. Number WO2004/085349

Priority 10/396,046 24.03.03 US

Filing date 23 March 2004

Wipo publication date 7 October 2004

International Classifications

C07D 207/26 Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

Event Publications

25 August 2005 PCT application entered the National Phase

  PCT publication WO2004/085349 Priority application(s): WO2004/085349

3 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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