ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,968, issued on June 17, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Method for controlling odor and taste producing metabolites in water systems through use of primary and secondary oxidation processes" was invented by Amit Gupta (Aurora, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of oxidizing a component of an aqueous medium is provided. The method includes adding an effective amount of an oxidizing composition to the aqueous medium. The oxidizing composition includes an ingredient, such as hydrogen peroxide, a percarbonate salt, a peroxy compound, a chlorite or alkali metal salt thereof, a chlorate or alkali metal salt th...