Pyridazinone derivatives used for the treatment of pain

Details for Australian Patent Application No. 2006285599 (hide)

Owner Astellas Pharma Inc. Wakunaga Pharmaceutical Co., Ltd.

Inventors Kontani, Toru; Kasahara, Chiyoshi; Kinoshita, Tomohiko; Yamazaki, Hitoshi; Asano, Toru; Kubota, Hirokazu; Mizuhara, Hidekazu; Misumi, Keiji; Yokomoto, Masaharu

Agent Davies Collison Cave

Pub. Number AU-A-2006285599

PCT Pub. Number WO2007/026950

Priority 60/712,825 01.09.05 US

Filing date 31 August 2006

Wipo publication date 8 March 2007

International Classifications

C07D 487/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

A61K 31/495 (2006.01) - having six-membered rings with two nitrogen atoms as the only ring hetero atoms, e.g. piperazine

A61P 29/00 (2006.01) Non-central analgesic, antipyretic or antiinflammatory agents, e.g antirheumatic agents

C07D 487/20 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

Event Publications

3 April 2008 PCT application entered the National Phase

  PCT publication WO2007/026950 Priority application(s): WO2007/026950

9 September 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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