US Patent Issued to Alpha Tau Medical on May 6 for "Wet preparation of radiotherapy sources" (Israeli Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,702, issued on May 6, was assigned to Alpha Tau Medical Ltd (Jerusalem).

"Wet preparation of radiotherapy sources" was invented by Michael Schmidt (Kfar Saba, Israel) and Itzhak Kelson (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of accumulating radium radionuclides, comprising providing a first solution including thorium radionuclides and a thorium-binding extractant, wherein the first solution does not bind to radium, allowing a portion of the thorium radionuclides in the first solution to decay into radium atoms and collecting radium atoms resulting from the decay. The collected radium atoms may be included in a solut...