ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,587, issued on Oct. 21, was assigned to Conopco Inc. (Englewood Cliffs, N.J.).
"Hard surface cleaning composition" was invented by Ivana Trombetta (Casalpusterlengo, Italy), Serena Pezzia (Casalpusterlengo, Italy), Luca Pretali (Casalpusterlengo, Italy) and Lorena Galluzzi (Casalpusterlengo, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to liquid aqueous detergent compositions comprising a surfactant system comprising a primary surfactant being anionic surfactant, a secondary surfactant being amphoteric surfactant and polyethylene oxide whilst the surfactant system is free of alkylbenzene sulphonates and derivati...