METHOD FOR THE PRODUCTION OF PHTHALIC ANHYDRIDE TO A SPECIFICATION

Details for Australian Patent Application No. 2002244704 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors MORSBACH, Bernd; KUMMER, Matthias; RUHL, Thomas; DISTELDORF, Walter; PETERS, Jarren

Pub. Number AU-A-2002244704

PCT Pub. Number WO2002/064539

Priority 101 06 664.3 12.02.01 DE

Filing date 6 February 2002

Wipo publication date 28 August 2002

International Classifications

C07C 051/44 Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 063/16 Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings

Event Publications

20 February 2003 Application Open to Public Inspection

  Published as AU-A-2002244704

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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