ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,014, issued on Feb. 10, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Closed loop cooling water corrosion inhibition employing polymaleates and non-borate buffers" was invented by Bingzhi Chen (Naperville, Ill.), Michael Patrick Weberski Jr. (Sugar Grove, Ill.) and Zhangzhang Yin (Aurora, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of inhibiting corrosion of a metal surface in contact with an aqueous medium is provided. The method may include contacting the metal surface with a corrosion inhibitor composition where the corrosion inhibitor composition may include a compound or salt thereof of formula (I). The disclosed corrosio...