Novel crystalline polymorph of venlafaxine hydrochloride and methods for the preparation thereof

Details for Australian Patent Application No. 2002348266 (hide)

Owner WYETH

Inventors Han, Jun; Lee, Yong Jai; Ali, Kadum Abdul Nabi

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2002348266

PCT Number PCT/US02/38401

PCT Pub. Number WO2003/050075

Priority 60/335,822 05.12.01 US

Filing date 3 December 2002

Wipo publication date 23 June 2003

International Classifications

C07C 217/74 Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton

A61P 025/24 Drugs for disorders of the nervous system

C07C 213/08 Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton

A61K 031/135 - having aromatic rings, e.g. methadone

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 60/335,822 05.12.01 US

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002348266

26 June 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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