ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,616, issued on Sept. 23, was assigned to Powertech Water Inc. (Lexington, Ky.).

"Faradic porosity cell" was invented by Lindsay Boehme (Iowa City, Iowa), Cameron Lippert (Lexington, Ky.), James Landon (Lexington, Ky.), Alan Rassoolkhani (Lexington, Ky.) and Jeffrey Rentschler (Lexington, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to an electrochemical device for at least partially removing or reducing a target ionic species from an aqueous solution using faradaic immobilization, the electrochemical device including at least one first electrode and at least one second electrode with different void fraction a...