PROCESS FOR PRODUCING ASCORBIC ACID IN THE PRESENCE OF A SULFIT

Details for Australian Patent Application No. 2002232740 (hide)

Owner EASTMAN CHEMICAL COMPANY

Inventors PERRI, Steven; POWELL, Jeffery; CUSHMAN, Michael; ARUMUGAM, Bhaskar; COLLINS, Nick; BOYD, Brendan

Pub. Number AU-A-2002232740

PCT Pub. Number WO2002/051827

Priority 60/314,999 24.08.01 US; 60/257,991 22.12.00 US

Filing date 21 December 2001

Wipo publication date 8 July 2002

International Classifications

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

Event Publications

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2002232740

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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