PROCESS FOR ASCORBIC ACIDS USING ALKALINE EARTH SILICATE CATALYSTS

Details for Australian Patent Application No. 2002356126 (hide)

Owner EASTMAN CHEMICAL COMPANY

Inventors CRAIN, Allen, Lynn; ZOELLER, Joseph, Robert

Pub. Number AU-A-2002356126

PCT Number PCT/US02/25280

PCT Pub. Number WO2003/018569

Priority 60/314,860 24.08.01 US; 60/322,281 14.09.01 US; Not Given 07.08.02 US

Filing date 9 August 2002

Wipo publication date 10 March 2003

International Classifications

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

Event Publications

27 March 2003 Complete Application Filed

  Priority application(s): 60/314,860 24.08.01 US; 60/322,281 14.09.01 US; Not Given 07.08.02 US

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002356126

17 June 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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