Patents

Method of Isolating Cannabidiol from Cannabis Plant

US patent awarded to Korea Institute of Science and Technology.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,458,087 B2 (Jungyeob Ham, Taejung Kim, Sungdo Ha, Bong Chui Chung, Seok Lee, Pilju Choi, Bong Geun Song, Deok Ha Woo); Korea Institute of Science and Technology, Seoul, patented a method of isolating cannabidiol from cannabis. It entails subjecting a reaction mixture consisting essentially of cannabis and ethyl acetate in an airtight container to microwaves to yield a microwave irradiated reaction mixture; and isolating cannabidiol from the microwave-irradiated reaction mixture, wherein the microwaves are carried out at 50 W to 6 kW, a frequency of 300 MHz to 300 GHz, 80°C to 150°C and at a pressure of 2 atm to 100 atm for 5 minutes to 180 minutes.

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