ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,922, issued on March 24, was assigned to BREW & DISTILL SYSTEM LTD. (Icheon-si, South Korea).

"Hydrogen sulfide adsorption distiller using pure copper" was invented by Ju-Su Kim (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrogen sulfide adsorption distiller using pure copper of the present invention has advantages in that, while alcohol vaporized in a heating vessel 100 sequentially passes through a retention tube 120, which is formed of pure copper having a catalytic reaction, a vertical tube 130, a spiral coil 132, a cooling vessel 140, and a liquid collecting tray 150 until distilled liquor C of condensed liquefied...