PREPARATION OF MONOISOCYANATE

A carbamic acid ester corresponding to the formula R1-NH-CO-OR2 is thermally cleaved to form isocyanate R1-NCO and alcohol R2-OH fractions. This cleavage is accomplished by boiling the carbamic acid ester, condensing the vapor given off in a first fractionation column, and condensing the vapor from...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KURAUSU KEENITSUHI, PEETAA HAITOKENPAA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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