Installation and process for the preparation of urea

Details for Australian Patent Application No. 2001234252 (hide)

Owner DSM IP Assets B.V.

Inventors Mennen, Johannes Henricus

Agent Spruson & Ferguson

Pub. Number AU-B-2001234252

PCT Pub. Number WO01/72700

Priority 1014756 27.03.00 NL

Filing date 29 January 2001

Wipo publication date 8 October 2001

Acceptance publication date 14 July 2005

International Classifications

C07C 273/04 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 012/00 Chemical processes in general for reacting gaseous media with gaseous media

Event Publications

11 March 2004 Assignment before Grant

  DSM N.V. The application has been assigned to DSM IP Assets B.V.

14 July 2005 Application Accepted

  Published as AU-B-2001234252

10 November 2005 Standard Patent Sealed

30 September 2010 Assignment Registered

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

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