METHOD AND DEVICE FOR THE TWO-STEP PRODUCTION OF ACRYLIC ACID

Details for Australian Patent Application No. 2002304722 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors BUSCHULTE, Thomas; DIEHL, Volker; HAGEN, Bernd; HUTH, Volker; KASTEN, Wolfgang; SCHLEMMER, Peter; SCHROTH, Axel

Pub. Number AU-A-2002304722

PCT Number PCT/EP02/03863

PCT Pub. Number WO2002/081422

Priority 101 17 678.3 09.04.01 DE

Filing date 8 April 2002

Wipo publication date 21 October 2002

International Classifications

C07C 051/215 Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 057/10 Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

B01J 008/04 Chemical or physical processes in general, conducted in the presence of fluids and solid particles - the fluid passing successively through two or more beds

G01N 021/35 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

C07C 047/22 Compounds having CHO groups

C07C 051/25 Preparation of carboxylic acids or their salts, halides, or anhydrides

C07C 057/05 Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

C07C 057/08 Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 101 17 678.3 09.04.01 DE

10 April 2003 Application Open to Public Inspection

  Published as AU-A-2002304722

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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