发明授权
US4195032A Process for continuously working up solutions of the type accumulating in the phosgenation of monoamines 失效
连续处理在单胺光气化中积累的类型的溶液的方法

Process for continuously working up solutions of the type accumulating
in the phosgenation of monoamines
摘要:
The present invention relates to an improved process for the continuous production of alkylmonoisocyanates from commercial solutions containing N-alkyl carbamic acid chlorides by thermally decomposing the N-alkyl carbamic acid chlorides in the presence of inert solvents, and recovering the pure monoisocyanates by distillation.
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