METHOD FOR THE PURIFICATION OF ISOCYANATES

Details for Australian Patent Application No. 2003293892 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors PALLASCH, Hans-Jurgen; STROEFER, Eckhard; BLANKERTZ, HeinrichJosef; WOLFERT, Andreas

Pub. Number AU-A-2003293892

PCT Number PCT/EP2003/0142

PCT Pub. Number WO2004/056759

Priority 102 60 092.9 19.12.02 DE

Filing date 16 December 2003

Wipo publication date 14 July 2004

International Classifications

C07C 263/10 Preparation of derivatives of isocyanic acid

C07C 265/14 Derivatives of isocyanic acid

C07C 263/20 Preparation of derivatives of isocyanic acid

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 102 60 092.9 19.12.02 DE

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003293892

8 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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