ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,666, issued on March 18, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).
"Rinse aid formulation for cleaning automotive parts" was invented by Alissa Ellingson (Saint Paul, Minn.) and Janel Marie Kieffer (Saint Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Hard surface rinse aid compositions incorporating surfactant systems compatible with plastics and plastics containing metals, such as aluminum, are disclosed. The hard surface rinse aid compositions are particularly well suited for use in high concentrations at low temperatures without causing foaming and/or debris or film on the treated surface. In particular, the plastic and a...