Process for the preparation of urea

Details for Australian Patent Application No. 2002303036 (hide)

Owner DSM IP Assets B.V.

Inventors Mennen, Johannes Henricus

Agent Spruson & Ferguson

Pub. Number AU-B-2002303036

PCT Number PCT/NL02/00263

PCT Pub. Number WO2002/090323

Priority 1017990 03.05.01 NL

Filing date 24 April 2002

Wipo publication date 18 November 2002

Acceptance publication date 10 January 2008

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

B01J 12/02 (2006.01) Chemical processes in general for reacting gaseous media with gaseous media

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 1017990 03.05.01 NL

1 May 2003 Application Open to Public Inspection

  Published as AU-B-2002303036

10 January 2008 Application Accepted

  Published as AU-B-2002303036

8 May 2008 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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