Process for the manufacture of aromatic isocyanates
AssigneeProduits Chimiques Ugine Kuhlmann
InventorsJacques Kervennal, Boubaker Elleuch, Younes B. Taarit
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Abstract
Process for the manufacture in the liquid phase of aromatic isocyanates by the reaction of aromatic nitro compounds with carbon monoxide in the presence of a catalyst comprising a zeolite containing at least one active metal selected from Group VIII or I.sub.B of the Periodic Table of the Elements in the form of a cation or of a metallic crystallite in the zeolite.
Claims13
The process for the manufacture of aromatic isocyanates comprising reacting, in the liquid phase, an aromatic nitro compound with carbon monoxide in the presence of a catalyst comprising a zeolite containing at least one introduced active metal.
Dependencies are inferred from the claim text.