A process for the preparation of racemic citalopram diol and/or Sor Rcitalopram diols and the use of such diols for the preparation of racemic citalopram, R-citalopram and/or Scitalopram

Details for Australian Patent Application No. 2003291960 (hide)

Owner H. Lundbeck A/S

Inventors Christiansen, Brian; Petersen, Hans; Humble, Rikke Eva; Dancer, Robert

Agent Watermark

Pub. Number AU-B-2003291960

PCT Number PCT/DK2003/0009

PCT Pub. Number WO2004/056754

Priority PA200202004 23.12.02 DK

Filing date 18 December 2003

Wipo publication date 14 July 2004

Acceptance publication date 19 November 2009

International Classifications

C07C 253/34 (2006.01) Preparation of carboxylic acid nitriles

C07D 307/87 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): PA200202004 23.12.02 DK

19 August 2004 Application Open to Public Inspection

  Published as AU-B-2003291960

18 August 2005 Amendment Made

  The nature of the amendment is: Delete priority details 60/436,117 23 Dec 2002 US 2003292396 Cipla Limited The nature of the amendment is: Amend the name of the applicant from Cipla Ltd to Cipla Limited

19 November 2009 Application Accepted

  Published as AU-B-2003291960

18 March 2010 Standard Patent Sealed

14 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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