Process for the preparation of entacapone and intermediates thereof

Details for Australian Patent Application No. 2008234823 (hide)

Owner Esteve Quimica, S.A.

Inventors Solsona Rocabert, Joan Gabriel; Molina Ponce, Andres; Palomo Nicolau, Francisco Eugenio; Bartra Sanmarti, Marti

Agent Spruson & Ferguson

Pub. Number AU-A-2008234823

PCT Pub. Number WO2008/119793

Priority 60/909,648 02.04.07 US; 07105505.7 02.04.07 EP

Filing date 31 March 2008

Wipo publication date 9 October 2008

International Classifications

C07C 255/51 (2006.01) Carboxylic acid nitriles

C07C 253/30 (2006.01) Preparation of carboxylic acid nitriles

Event Publications

8 October 2009 PCT application entered the National Phase

  PCT publication WO2008/119793 Priority application(s): WO2008/119793

17 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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