PROCESS FOR INCREASING THE SELECTIVITY OF THE HYDROGENATION OF 4,4'-DIAMINODIPHENYLMETHANE TO 4,4'-DIAMINODICYCLOHEXYLMETHA NE IN THE PRESENCE OF AN NALKYL4,4'-DIAMINODIPHENYLMETHANE

Details for Australian Patent Application No. 2003257422 (hide)

International Classifications

Event Publications

6 November 2003 Complete Application Filed

Priority application(s): 102 31 119.6 10.07.02 DE

18 March 2004 Application Open to Public Inspection

Published as AU-A-2003257422

19 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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