ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,545, issued on Dec. 30, was assigned to ECOLAB USA INC. (St. Paul, Minn.).
"Method and composition for rapid detection of protein soils" was invented by Jeremy Brent Finison (Pine Hall, N.C.), Amani Babekir (Greensboro, N.C.) and Anna Starobin (Greensboro, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting presence of protein or biofilm on a surface includes applying a composition to the surface, and observing a color reaction if protein or biofilm is present on the surface. The composition comprises a first part that includes copper sulfate and a second part that includes a reagent capable of reacting with the copper sulfate...