Improved process for the preparation of 6-alpha-hydroxy-N-alkylated opiates

Details for Australian Patent Application No. 2008207580 (hide)

Owner Mallinckrodt Inc.

Inventors Grote, Christopher W.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2008207580

PCT Pub. Number WO2008/137672

Priority 60/915,962 04.05.07 US; 60/949,055 11.07.07 US

Filing date 2 May 2008

Wipo publication date 19 November 2009

Acceptance publication date 14 April 2011

International Classifications

C07D 489/02 (2006.01) Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:

Event Publications

19 November 2009 Application Open to Public Inspection

  Published as AU-B-2008207580

19 November 2009 PCT application entered the National Phase

  PCT publication WO2008/137672 Priority application(s): WO2008/137672

14 April 2011 Application Accepted

  Published as AU-B-2008207580

11 August 2011 Standard Patent Sealed

3 November 2011 Assignment Registered

  Mallinckrodt Inc. The patent has been assigned to Mallinckrodt LLC

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