ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,952, issued on Aug. 11, was assigned to ELECTROPHOR INC. (Woodmere, N.Y.).

"Method for purifying liquid and system for the implementation thereof" was invented by Joseph Lvovich Shmidt (New York), Yurij Vladimirovich Tatuev (St. Petersburg, Russia), Evgenij Anatoljevich Zotkin (St. Petersburg, Russia) and Mikhail Grigorjevich Vinogradov (St. Petersburg, Russia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present liquid purification method, carried out with the aid of a liquid purification system, includes a three-stage liquid filtration cycle, during which all of the drain liquid can be continuously fed back into the purification system until ...