Method for the separation of intermediates which may be used for the preparation of escitalopram

Details for Australian Patent Application No. 2003250321 (hide)

Owner H. Lundbeck A/S

Inventors Ueda, Yasuyoshi; Dancer, Robert; Kato, Takahisa; Yoshida, Takashi; Lyngso, Lars Ole; Petersen, Hans; Takeda, Toshihiro; Yamamoto, Shogo; Taoka, Naoaki; Ahmadian, Haleh

Agent Watermark

Pub. Number AU-B-2003250321

PCT Number PCT/DK03/00537

PCT Pub. Number WO2004/014821

Priority 60/403,088 12.08.02 US; PA 2002 01201 12.08.02 DK

Filing date 12 August 2003

Wipo publication date 25 February 2004

Acceptance publication date 25 June 2009

International Classifications

C12P 13/00 (2006.01) Preparation of nitrogen-containing organic compounds

C07C 253/30 (2006.01) Preparation of carboxylic acid nitriles

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

C07C 255/34 (2006.01) Carboxylic acid nitriles

C07C 255/59 (2006.01) 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

16 October 2003 Complete Application Filed

  Priority application(s): 60/403,088 12.08.02 US; PA 2002 01201 12.08.02 DK

8 April 2004 Application Open to Public Inspection

  Published as AU-B-2003250321

25 June 2009 Application Accepted

  Published as AU-B-2003250321

22 October 2009 Standard Patent Sealed

10 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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