METHOD FOR CARRYING OUT THE DISTILLATIVE SEPARATION OF FORMALDEHYDE FROM POLYOLCONTAINING REACTION MIXTURES WHILE USING SOLVENTS

Details for Australian Patent Application No. 2003258544 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors SIRCH, Tilman; WARTINI, Alexander; DERNBACH, Matthias; MELDER, Johann-Peter

Pub. Number AU-A-2003258544

PCT Number PCT/EP03/08402

PCT Pub. Number WO2004/022516

Priority 102 37 746.4 17.08.02 DE

Filing date 30 July 2003

Wipo publication date 29 March 2004

International Classifications

C07C 045/82 Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 045/83 Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 047/19 Compounds having CHO groups

Event Publications

13 November 2003 Complete Application Filed

  Priority application(s): 102 37 746.4 17.08.02 DE

13 May 2004 Application Open to Public Inspection

  Published as AU-A-2003258544

19 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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