News>HMI Group has been awarded a U.S. Patent for METHOD FOR EXTRACTING CANNABIDIOL FROM CANNABIS
HMI Group has been awarded a U.S. Patent for METHOD FOR EXTRACTING CANNABIDIOL FROM CANNABIS
July 31st,2019 by HMI Group

Hanma Investment Group Co., Ltd. (HMI Group) subsidiary Yunnan Hansu Biotechnology Co.,Ltd. (Hansu) received a U.S. Patent for METHOD FOR EXTRACTING CANNABIDIOL FROM CANNABIS on May 28th ,2019. (Patent No.: US 10301242B2)



Peter Tan (Chairman of HMI Group) said “We cannot move an inch without a patent in overseas” HMI Group has declared over 90 domestic and international patents in the field of bio-pharmaceutics and health.


HMI Group is a legal investment company in China focusing on the whole industrial chain of industrial hemp and the direction of biopharmaceutical. The patent US 10301242B2 will be as a key point to develop and enlarge the U.S. & Global industrial hemp market.


“It’s only a beginning of HMI Group for overseas patent, we would be awarded more in the future”Peter Tan said.



The patent’s abstract as follows:

A method of extracting cannabidiol from hemp. The method may include the following steps: performing grinding and drying on an extraction part of the hemp to obtain crude drug powder; extracting the crude drug powder with 30-100% (V/V)ethanol to obtain an extracting solution: concentrating the extracting solution to obtain an extractum: performing water precipitation on the extractum to remove impurities, thereby obtaining a water precipitation solution: concentrating the water precipitation solution and adding 10-100% (V/V) ethanol to dissolve the obtained precipitate thereby obtaining a precipitate alcohol solution performing column chromatography on the precipitate alcohol solution: concentrating the eluate obtained by elution after column chromatography, and adding ethanol for supersaturation and dissolution to obtain a crystal: adding purified water or ethanol to wash the crystal, thereby obtaining a primary product: and uniformly mixing the primary product to wash the crystal, thereby obtaining a primary product: and uniformly mixing the primary product with purified water, and drying to obtain the cannabidiol.