MANUFACTURE OF ASCORBIC ACID ESTERS

Details for Australian Patent Application No. 2003232747 (hide)

Owner ROCHE VITAMINS AG

Inventors STAMM, Thomas

Pub. Number AU-A-2003232747

PCT Number PCT/EP03/04907

PCT Pub. Number WO2003/097626

Priority 02011149.8 21.05.02 EP

Filing date 12 May 2003

Wipo publication date 2 December 2003

International Classifications

C07D 307/62 Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C07B 041/12 Formation or introduction of functional groups containing oxygen

C07B 063/00 Purification

C07B 063/02 Purification

A61K 031/375 - Ascorbic acid, i.e. vitamin C

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 02011149.8 21.05.02 EP

29 January 2004 Application Open to Public Inspection

  Published as AU-A-2003232747

10 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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