Patent Number: 6,617,455

Title: Process for preparing melamine from urea

Abstract: Process for preparing melamine from urea at elevated temperature and in the presence of a catalyst, in which a gaseous product stream is obtained which is contacted with a liquid coolant in a cooling zone and that the temperature in the scrubbing section is lowered by applying an extra cooling step.

Inventors: De Wit; Nora Anna (Maastricht, NL)

Assignee: DSM N.V.

International Classification: C07D 251/00 (20060101); C07D 251/60 (20060101); C07D 251/60 (); C07D 251/62 ()

Expiration Date: 09/09/2011