ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,203, issued on Oct. 20, was assigned to NIHON MEDI-PHYSICS Co. LTD. (Tokyo).
"Method for producing radioactive zirconium complex" was invented by Tomoyuki Imai (Tokyo), Hiroaki Ichikawa (Tokyo), Satoshi Kishimoto (Tokyo) and Akihiro Izawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a radioactive zirconium complex of the present invention includes a step of reacting a radioactive zirconium ion, a ligand compound containing DOTA or a DOTA derivative, and an additive such as hydroxybenzoic acid and a derivative thereof with one another in a reaction solution to form a radioactive zirconium complex. As the reaction solut...