(METH)ACRYLIC ACID CRYSTAL AND METHOD FOR THE PRODUCTION AND PURIFICATION OF AQUEOUS (METH)ACRYLIC ACID

Details for Australian Patent Application No. 2003214132 (hide)

Owner DEGUSSA AG STOCKHAUSEN GMBH AND CO. KG

Inventors NORDHOFF, Stefan; BUB, Gunther; MOSLER, Jurgen; THONG, Dennis; KOBUS, Axel; RATHKE, Thomas; FORNIKA, Roland; BALDUF, Torsten

Pub. Number AU-A-2003214132

PCT Number PCT/EP03/02753

PCT Pub. Number WO2003/078378

Priority 102 11 686.5 15.03.02 DE

Filing date 17 March 2003

Wipo publication date 29 September 2003

International Classifications

C07C 057/04 Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

C07C 051/43 Preparation of carboxylic acids or their salts, halides, or anhydrides

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 102 11 686.5 15.03.02 DE

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003214132

2 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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