4-oxo-1-(3-substituted phenyl1,4-dihydro-1,8-naphthyridine-3-carbox amide phosphodiesterase-4 inhibitors

Details for Australian Patent Application No. 2003283167 (hide)

Owner Merck Frosst Canada Ltd.

Inventors Dube, Daniel; Lacombe, Patrick; Dube, Laurence; Macdonald, Dwight; Gallant, Michel; Aspiotis, Renee; Girard, Yves

Agent Spruson & Ferguson

Pub. Number AU-B-2003283167

PCT Number PCT/CA2003/0018

PCT Pub. Number WO2004/048374

Priority 60/428,611 22.11.02 US

Filing date 19 November 2003

Wipo publication date 18 June 2004

Acceptance publication date 8 January 2009

International Classifications

C07D 471/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups

A61K 31/4375 (2006.01)

A61K 31/4745 (2006.01)

A61K 31/506 (2006.01) - not condensed and containing further heterocyclic rings

A61P 25/00 (2006.01) Drugs for disorders of the nervous system

C07D 221/00 (2006.01) Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups

C07D 471/02 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 60/428,611 22.11.02 US

22 July 2004 Application Open to Public Inspection

  Published as AU-B-2003283167

16 March 2006 Assignment before Grant

  Merck Frosst Canada & Co. The application has been assigned to Merck Frosst Canada Ltd.

8 January 2009 Application Accepted

  Published as AU-B-2003283167

7 May 2009 Standard Patent Sealed

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