US Patent Issued to ECOLAB USA on March 18 for "Colorimetric detection and quantitative estimation of peracids using a redox sensitive leuco dye" (Minnesota Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,501, issued on March 18, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).

"Colorimetric detection and quantitative estimation of peracids using a redox sensitive leuco dye" was invented by Ramakrishnan Balasubramanian (Saint Paul, Minn.) and Junzhong Li (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition, method and kit for quantifying the concentration of one peracid or the total concentration of two or more peracids in a water source are disclosed. In particular, an oxidation sensitive or peroxycarboxylic acid selective leuco dye is used to react only with one or more peroxycarboxylic acids in a water source but no...