ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,555, issued on June 24, was assigned to Exciton Clean LLC (Verona, Wis.).

"Method and system for purging off-flavor compounds from farm-raised fish" was invented by Ramsey Kropp (Madison, Wis.), Terence P. Barry (Middleton, Wis.) and David W. Kapsos (McFarland, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A depuration process is employed for removing off-flavor contaminants from fish through an advanced oxidation process. Before the fish is harvested, the fish is transferred to a depuration tank or zone containing water. Off-flavor compounds leach from the tissue of the fish into the water in the depuration tank or zone. The water in the depu...