A process for preparation of optically pure or optically enriched sulfoxide compounds, including amorphous esomeprazole and salts thereof

Details for Australian Patent Application No. 2003247729 (hide)

Owner Dr. Reddy's Laboratories Limited Dr. Reddy's Laboratories, Inc.

Inventors Kumar, Muppa Kishore; Purandhar, Koilkonda; Sreenath, Keshaboina; Reddy, Manne Satyanarayana; Reddy, Kikkuru Srirami

Agent Griffith Hack

Pub. Number AU-B-2003247729

PCT Number PCT/US03/20250

PCT Pub. Number WO2004/002982

Priority 489/MAS/2002 27.06.02 IN; 493/MAS/2002 28.06.02 IN

Filing date 27 June 2003

Wipo publication date 19 January 2004

Acceptance publication date 8 October 2009

International Classifications

C07D 401/12 (2006.01) Heterocyclic compounds containing two or more hetero rings

A61P 1/04 (2006.01) Drugs for disorders of the alimentary tract or the digestive system

Event Publications

2 October 2003 Complete Application Filed

  Priority application(s): 489/MAS/2002 27.06.02 IN; 493/MAS/2002 28.06.02 IN

4 March 2004 Application Open to Public Inspection

  Published as AU-B-2003247729

8 October 2009 Application Accepted

  Published as AU-B-2003247729

25 February 2010 Standard Patent Sealed

27 January 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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