METHOD FOR PRODUCING MDI, ESPECIALLY 2,4'-MDI

Details for Australian Patent Application No. 2002256649 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors REIF, Martin; BRUCHMANN, Bernd; POHL, Siegmund; BETTENDORF, Carl; PLAUMANN, Heinz; THIELE, Kai

Pub. Number AU-A-2002256649

PCT Pub. Number WO2002/070581

Priority 101 11 337.4 08.03.01 DE

Filing date 6 March 2002

Wipo publication date 19 September 2002

International Classifications

C08G 018/76 Polymeric products of isocyanates or isothiocyanates

C07C 263/20 Preparation of derivatives of isocyanic acid

Event Publications

13 March 2003 Application Open to Public Inspection

  Published as AU-A-2002256649

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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