C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/456.5
C07C 119/042 (1980.01)
Patent
CA 1086327
ABSTRACT OF THE DISCLOSURE Process for making methyl isocyanate comprising thermally dehydrochlorinating a solution of methyl carbamyl chloride in an aprotic solvent, condensing the gases thereby formed at a temperature above the boiling point or methyl isocyanate so as to liquify at least part of said gases which are condensable at said temperature, removing HCl gas by condensing the remaining condensable gases at a temperature below the boiling point of methyl isocyanate, and separating methyl isocyanate from the condensate obtained in said first condensation step.
294064
Bassett Robert J.
Cordes Walter J.
Fuchs Julius J.
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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