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US 5,393,393 AGranted
Preparation of hydrogen cyanide
AssigneeE. I. Du Pont de Nemours and Company
InventorsJeffrey K. S. Wan, Theodore A. Koch
Life of this patent
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Abstract
Hydrogen cyanide is produced by reacting ammonia or urea and elemental carbon or a hydrocarbon while irradiating them with microwave energy.
Claims6
A process for the production of hydrogen cyanide which consists of contacting elemental carbon or elemental carbon containing a catalytic metal with a gas consisting of ammonia vapor, while irradiating the elemental carbon and the ammonia or elemental carbon containing a catalytic metal and the ammonia with microwave frequency radiation.
Dependencies are inferred from the claim text.