METHOD FOR SEPARATING REACTION MIXTURES AND RECYCLING OF QUATERNARY SALTS AND BASES

Details for Australian Patent Application No. 2002358778 (hide)

Owner BAYER AKTIENGESELLSCHAFT

Inventors FISCHER, Peter; HANSEN, Sven, Michael; REISINGER, Claus-Peter

Pub. Number AU-A-2002358778

PCT Number PCT/EP02/14618

PCT Pub. Number WO2003/055603

Priority 101 64 143.5 27.12.01 DE

Filing date 20 December 2002

Wipo publication date 15 July 2003

International Classifications

B01J 038/48 Regeneration or reactivation of catalysts, in general

C07C 277/06 Preparation of guanidine or its derivatives, i.e. compounds containing the group the singly-bound nitrogen atoms not being part of nitro or nitroso groups

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 101 64 143.5 27.12.01 DE

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002358778

16 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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