A new and efficient process for the preparation of lamotrigine and related 3,5-diamino-6-substituted-1,2,4-triazine s

Details for Australian Patent Application No. 2002367765 (hide)

Owner Apotex Pharmachem Ic.

Inventors Che, Daqing; Murthy, Keshava K S; Guntoori, Bhaskar Reddy

Agent Shelston IP

Pub. Number AU-B-2002367765

PCT Number PCT/CA02/01926

PCT Pub. Number WO2003/078407

Priority 2,366,521 24.12.01 CA

Filing date 18 December 2002

Wipo publication date 29 September 2003

Acceptance publication date 13 November 2008

International Classifications

C07D 253/075 (2006.01) Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group

Event Publications

30 October 2003 Complete Application Filed

  Priority application(s): 2,366,521 24.12.01 CA

6 November 2003 Application Open to Public Inspection

  Published as AU-B-2002367765

13 November 2008 Application Accepted

  Published as AU-B-2002367765

12 March 2009 Standard Patent Sealed

14 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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