ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,524, issued on Oct. 20, was assigned to Japan Organization for Metals and Energy Security (Tokyo).
"Method for selectively recovering arsenic- containing copper mineral, and flotation agent used in same" was invented by Taro Kamiya (Tokyo), Kosuke Konno (Tokyo), Tatsuhiro Ono (Tokyo), Refilwe Sandra Magwaneng (Tokyo), Yoshinari Baba (Miyazaki, Japan) and Kuniko Atae (Miyazaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In order to decrease arsenic, which is a harmful substance, in a copper concentrate, provided is a method for selectively recovering an arsenic-containing copper mineral from a mixture including the arsenic-containing copper...