C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 201/08 (2006.01)
Patent
CA 2337137
The invention concerns a method for evaporating aminonitrile and water in conditions limiting or eliminating the formation of heavy by-products in particular amino-carboxylic acid oligomers. To avoid said inconvenience, said method for evaporating aminonitrile and water is characterised in that the water in vapour state serves as balance gas for evaporation.
La présente invention concerne la vaporisation d'aminonitrile et d'eau dans des conditions limitant ou éliminant la formation de sous-produits lourds notamment d'oligomères d'acide amino-carboxylique. Pour éviter cet inconvénient, il a maintenant été trouvé un procédé de vaporisation d'aminonitrile et d'eau, caractérisé en ce que l'eau à l'état de vapeur sert de gaz vecteur à la vaporisation.
Bocquenet Gerald
Chiarelli Henri
Leconte Philippe
Rhodia Fiber And Resin Intermediates
Robic
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