2-(piperidin-4-yl) -4, 5-dihydro-2H-pyridazin-3-one derivatives as PDE4 inhibitors

Details for Australian Patent Application No. 2005210042 (hide)

Owner Nycomed GmbH

Inventors Kley, Hans-Peter; Hatzelmann, Armin; Christiaans, Johannes A. M.; Menge, Wiro M. P. B.; Barsig, Johannes; Sterk, Geert Jan; Marx, Degenhard

Agent Griffith Hack

Pub. Number AU-B-2005210042

PCT Pub. Number WO2005/075456

Priority 04002420.0 04.02.04 EP

Filing date 1 February 2005

Wipo publication date 18 August 2005

Acceptance publication date 21 April 2011

International Classifications

C07D 401/14 (2006.01) Heterocyclic compounds containing two or more hetero rings

C07D 401/04 (2006.01) Heterocyclic compounds containing two or more hetero rings

C07D 405/14 (2006.01) Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom

Event Publications

14 September 2006 PCT application entered the National Phase

  PCT publication WO2005/075456 Priority application(s): WO2005/075456

22 November 2007 Change of Name(s) of Applicant(s), Section 104

  ALTANA Pharma AG The name of the applicant has been changed to Nycomed GmbH

21 April 2011 Application Accepted

  Published as AU-B-2005210042

18 August 2011 Standard Patent Sealed

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