C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 263/10 (2006.01) C07C 265/14 (2006.01)
Patent
CA 2392759
The present invention relates to a novel process for preparing (cyclo)aliphatic diisocyanates and triisocyanates by phosgenation of (cyclo)aliphatic diamines and triamines in the gas phase by accelerating the flow of at least one of reactants in the region where the reactants are mixed.
La présente invention a trait à un nouveau procédé pour préparer des diisocyanates et des triisocyanates (cyclo)aliphatiques par phosgénation de diamines et de triamines (cyclo)aliphatiques en phase gazeuse, par accélération du flux d'au moins un des réactifs dans la zone de mélange des réactifs.
Leimkuhler Hans-Joachim
Schmidt Helmut
Stutz Herbert
Aktiengesellschaft Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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