Industrial method for separation and purification of fentanyl by reverse phase preparative chromatography

Details for Australian Patent Application No. 2004287815 (hide)

Owner Mallinckrodt Inc.

Inventors Antonini, Enrico A.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2004287815

PCT Pub. Number WO2005/044798

Priority 60/515,274 29.10.03 US

Filing date 22 October 2004

Wipo publication date 19 May 2005

Acceptance publication date 28 May 2009

International Classifications

B01D 15/32 (2006.01) Separating processes involving the treatment of liquids with solid sorbents

B01J 20/287 (2006.01) Solid sorbent compositions

C07D 211/58 (2006.01) Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings

Event Publications

18 May 2006 PCT application entered the National Phase

  PCT publication WO2005/044798 Priority application(s): WO2005/044798

28 May 2009 Application Accepted

  Published as AU-B-2004287815

8 October 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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