ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,263, issued on April 15, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).

"Continuous on-line adjustable disinfectant/sanitizer/bleach generator" was invented by Paul R. Kraus (Saint Paul, Minn.) and Thomas C. Rustad (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for on-site, continuous generation of peracid chemistry, namely peroxycarboxylic acids and peroxycarboxylic acid forming compositions, are disclosed. In particular, an adjustable biocide formulator or generator system is designed for on-site generation of peroxycarboxylic acids and peroxycarboxylic acid forming compositions from sugar esters. Method...