US Patent Issued to ECOLAB USA on Oct. 7 for "Stain removal through novel oxidizer and chelant combination" (Minnesota Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,298, issued on Oct. 7, was assigned to ECOLAB USA INC. (Saint Paul, Minn.).

"Stain removal through novel oxidizer and chelant combination" was invented by David Dotzauer (Saint Paul, Minn.), John Mansergh (Saint Paul, Minn.), Krista Otting (Saint Paul, Minn.) and Tobias Neil Foster (Saint Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a detergent composition comprising alkali metal carbonate, a chelant selected from the group consisting of MGDA, alkali metal tripolyphosphate, GLDA, and mixtures thereof, alkali metal percarbonate, and a peroxidation catalyst, wherein the molar ratio of chelant to alkali met...