Process for the preparation of urea

Details for Australian Patent Application No. 2002252800 (hide)

Owner DSM IP Assets B.V.

Inventors Meessen, Jozef Hubert; Jonckers, Kees

Agent Spruson & Ferguson

Pub. Number AU-B-2002252800

PCT Pub. Number WO02/46145

Priority 1016797 05.12.00 NL

Filing date 23 November 2001

Wipo publication date 18 June 2002

Acceptance publication date 30 November 2006

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

30 November 2006 Application Accepted

  Published as AU-B-2002252800

29 March 2007 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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