US Patent Issued to ECOLAB USA on April 8 for "Surfactant stabilization of hygroscopic species" (Minnesota Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,941, issued on April 8, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).

"Surfactant stabilization of hygroscopic species" was invented by Emily Chen (Saint Paul, Minn.), Derrick Anderson (Saint Paul, Minn.), David Dotzauer (Saint Paul, Minn.) and Erik C. Olson (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Stable solid compositions employing a water conditioning agent, including hygroscopic species or non-hygroscopic species. In particular, solid compositions combining an ionic surfactant or an amphoteric surfactant with a water conditioning agent, preferably a polyacrylate water conditioning agent, are disclosed. The ionic s...