A PROCESS FOR THE PREPARATION OF 3-ARYL-2-HYDROXY PROPANOIC ACID DERIVATIVES

Details for Australian Patent Application No. 2002339216 (hide)

Owner DR. REDDY'S LABORATORIES LTD.

Inventors SIRIPRAGADA, Mahender, Rao; VANADANAPU, Loka, Appala, Purushotham; MAMILLAPALLI, Ramabhadra, Sarma; GADDAM, Om, Reddy

Pub. Number AU-A-2002339216

PCT Number PCT/IB02/03874

PCT Pub. Number WO2003/024915

Priority 779/MAS/2001 20.09.01 IN

Filing date 19 September 2002

Wipo publication date 1 April 2003

International Classifications

C07C 069/734 Esters of carboxylic acids

C07C 067/31 Preparation of carboxylic acid esters

C07C 069/732 Esters of carboxylic acids

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 779/MAS/2001 20.09.01 IN

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002339216

17 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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