METHOD FOR THE CONTINUOUS PURIFICATION BY DISTILLATION OF THE SOLVENT METHANOL, USED IN THE SYNTHESIS OF PROPYLENE OXIDE

Details for Australian Patent Application No. 2003251441 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors BASSLER, Peter; GOBBEL, HansGeorg; TELES, Joaquim, Henrique; RUDOLF, Peter

Pub. Number AU-A-2003251441

PCT Number PCT/EP03/07986

PCT Pub. Number WO2004/009566

Priority 102 33 388.2 23.07.02 DE

Filing date 22 July 2003

Wipo publication date 9 February 2004

International Classifications

C07D 301/12 Heterocyclic compounds having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as ring hetero atoms

B01D 003/14 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping - Fractional distillation

Event Publications

16 October 2003 Complete Application Filed

  Priority application(s): 102 33 388.2 23.07.02 DE

18 March 2004 Application Open to Public Inspection

  Published as AU-A-2003251441

21 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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2003251442-METHOD FOR THE CONTINUOUS PURIFICATION BY DISTILLATION OF METHANOL, USED AS A SOLVENT IN THE SYNTHESIS OF PROPYLENE OXIDE WITHOUT COUPLING PRODUCTS, WITH THE SIMULTANEOUS ISOLATION OF THE METHOXY PROPANOLS

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