Process for the preparation of urea

Details for Australian Patent Application No. 2002360227 (hide)

Owner DSM IP Assets B.V.

Inventors Meessen, Jozef Hubert

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2002360227

PCT Number PCT/NL02/00874

PCT Pub. Number WO2003/064379

Priority 1019848 28.01.02 NL

Filing date 30 December 2002

Wipo publication date 2 September 2003

Acceptance publication date 26 February 2009

International Classifications

C07C 273/04 (2006.01) Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 1019848 28.01.02 NL

18 September 2003 Application Open to Public Inspection

  Published as AU-B-2002360227

26 February 2009 Application Accepted

  Published as AU-B-2002360227

25 June 2009 Standard Patent Sealed

14 October 2010 Assignment Registered

  DSM IP Assets B.V. The patent has been assigned to Stamicarbon B.V.

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