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US 12,060,312 B2Granted
Production method for isocyanate compound
AssigneesNational University Corporation Kobe University, AGC Inc.
InventorsAkihiko Tsuda, Takashi Okazoe
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Abstract
The objective of the present invention is to provide a method for producing an isocyanate compound safely and efficiently. The method for producing an isocyanate compound according to the present invention is characterized in comprising the steps of irradiating a high energy light to a halogenated methane at a temperature of 15° C. or lower in the presence of oxygen, and further adding a primary amine compound to be reacted without irradiating a high energy light.
Claims10
A method for producing an isocyanate compound, the method comprising the steps of:
- irradiating a high energy light to a halogenated methane at a temperature of 15° C. or lower in the presence of oxygen, and
- adding a primary amine compound to be reacted without irradiating a high energy light.
Dependencies are inferred from the claim text.