US Patent Issued to NIHON MEDI-PHYSICS, NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECHNOLOGY on May 5 for "Recovery method of Ra-226, production method of Ra-226 solution, and Ac-225 solution production method of Ac-225 solution" (Japanese Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,122, issued on May 5, was assigned to NIHON MEDI-PHYSICS Co. LTD. (Tokyo) and NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECHNOLOGY (Chiba, Japan).

"Recovery method of Ra-226, production method of Ra-226 solution, and Ac-225 solution production method of Ac-225 solution" was invented by Yoshio Honda (Tokyo), Taku Ito (Tokyo), Jun Ichinose (Tokyo), Kotaro Nagatsu (Chiba, Japan) and Hisashi Suzuki (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present invention relates to a recovery method of 226Ra, and the recovery method of 226Ra includes a step (A1) of immersing a solid-state 226Ra containing substance and a carrier h...