Catalyst and process for preparing organic isocyanates

Details Catalyst and process for preparing organic isocyanates Catalyst and process for preparing organic isocyanates

1981-04-20

1982-05-25

Torrence, Dolph H.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252430, 260453PC, B01J 3102, C07C11806

Patent

active

043315607

ABSTRACT:
Organic isocyanates are prepared by reacting an organic nitrocompound with carbon monoxide in the presence of a novel catalyst system. The catalyst system is comprised of a noble metal compound, a heteroaromatic nitrogen compound, and an oxide of thorium or uranium.

REFERENCES:
patent: 3576835 (1971-04-01), Smith et al.
patent: 3674827 (1972-07-01), Rao et al.
patent: 4267070 (1981-05-01), Nefedov et al.

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