PROCESS FOR THE PURIFICATION OF 1,3-DIKETONES

Details for Australian Patent Application No. 2002235866 (hide)

Owner ROCHE VITAMINS AG

Inventors HUBER, Ulrich; FRATER, Georg

Pub. Number AU-A-2002235866

PCT Pub. Number WO2002/062738

Priority 01102396.7 02.02.01 EP

Filing date 24 January 2002

Wipo publication date 19 August 2002

International Classifications

C07C 045/77 Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 045/85 Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 049/92 Ketones

C07C 049/84 Ketones

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-A-2002235866

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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