IMPROVED CATALYST FOR PURIFICATION OF AROMATIC ACIDS

Details for Australian Patent Application No. 2002346701 (hide)

Owner ENGELHARD CORPORATION

Inventors WHITE, james, Ferguson

Pub. Number AU-A-2002346701

PCT Number PCT/US02/39415

PCT Pub. Number WO2003/055599

Priority 10/036,822 21.12.01 US

Filing date 10 December 2002

Wipo publication date 15 July 2003

International Classifications

B01J 023/40 Catalysts comprising metals or metal oxides or hydroxides, not provided for in group - of the platinum group metals

C07C 063/26 Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings

B01J 021/18

C07C 051/42 Preparation of carboxylic acids or their salts, halides, or anhydrides - Separation

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 10/036,822 21.12.01 US

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002346701

9 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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