Purification process of montelukast and its amine salts

Details for Australian Patent Application No. 2007283615 (hide)

Owner Esteve Quimica, S.A.

Inventors Gasanz Guillen, Yolanda; Talavera Escasany, Pedro; Montsalvatje Llagostera, Montserrat

Agent Spruson & Ferguson

Pub. Number AU-A-2007283615

PCT Pub. Number WO2008/017669

Priority 06118690.4 09.08.06 EP; 60/836,856 09.08.06 US

Filing date 7 August 2007

Wipo publication date 14 February 2008

International Classifications

C07D 215/18 (2006.01) Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems

A61K 31/4704 (2006.01) - 2-Quinolinones, e.g. carbostyril

Event Publications

5 February 2009 PCT application entered the National Phase

  PCT publication WO2008/017669 Priority application(s): WO2008/017669

18 August 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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