ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,157, issued on Nov. 4, was assigned to Ecolab USA Inc. (Saint Paul, Minn.).
"Multipurpose acidic compositions and methods of use" was invented by Erik C. Olson (Saint Paul, Minn.), Hilina Emiru (Saint Paul, Minn.), Derrick Anderson (Saint Paul, Minn.), Kelly Anne Rightmire (Saint Paul, Minn.) and Timothy Meier (Saint Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Multipurpose acidic compositions for cleaning and/or sanitizing are provided. The acidic compositions are liquids that remove polymerized soils, hard water deposit (e.g., calcium carbonate), soap scum, rust and other stains (e.g., coffee and tea), including assisting in general c...