ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,551, issued on July 8, was assigned to YONSUNG FINE CHEMICAL Co. LTD. (Hwaseong-si, South Korea).
"Method for producing maxacalcitol, and intermediate therefor" was invented by Seung Woo Kim (Suwon-si, South Korea), Se Gyo Jung (Hwaseong-si, South Korea), In A Jung (Yongin-si, South Korea) and Hyunik Shin (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A new and improved method for preparing maxacalcitol and an intermediate therefor is provided. The method is an efficient and cost-effective process for preparing maxacalcitol and an intermediate therefor."
The patent was filed on Nov. 26, 2020, under Application No. 17/780,344....