Continuous prephosgenation process for the production of organic isocyanates

A process for pre-phosgenating organic primary amines is provided wherein a phosgene solution and an amine solution are combined in the suction side of a multiple stage rotary pump.

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Bibliographic Details
Main Authors HAGEN; WILHELM, MITROWSKY; ALEXANDER, KLAPPERT; HELMUT, ZENNER; KARL-FRIEDRICH
Format Patent
LanguageEnglish
Published 30.03.1976
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A process for pre-phosgenating organic primary amines is provided wherein a phosgene solution and an amine solution are combined in the suction side of a multiple stage rotary pump.
Bibliography:Application Number: US19740475239