ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,817, issued on June 23, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).

"Acid/anionic antimicrobial and virucidal compositions and uses thereof" was invented by Catherine Hanson (Saint Paul, Minn.), Junzhong Li (Saint Paul, Minn.), David D. McSherry (Saint Paul, Minn.), Stacy Fawbush (Saint Paul, Minn.), Kaitlin Lake (Saint Paul, Minn.), Gerard Hinrichs (Saint Paul, Minn.), Joshua Luedtke (Saint Paul, Minn.), Richard Staub (Saint Paul, Minn.) and Derrick Anderson (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Antimicrobial compositions including at least one acid and at least one anionic surfactant are provided. In particular...