Process for the manufacture of aromatic isocyanates

Details Process for the manufacture of aromatic isocyanates Process for the manufacture of aromatic isocyanates

1980-11-03

1982-06-01

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C11806

Patent

active

043327397

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.

REFERENCES:
patent: 3523966 (1970-08-01), Ottmann et al.
patent: 3828089 (1974-08-01), Hammond et al.

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