ST. PAUL, Minn.--(BUSINESS WIRE)--Ecolab Inc. announced today that it has entered into a marketing agreement with DuPont to commercialize new antimicrobial coating technologies for the food and beverage processing industry that will reduce the risk of environmental contamination by enhancing food facility hygiene. The control of mold, and pathogenic bacteria, especially Salmonella and Listeria monocytogenes, is a significant challenge for the food processing industry.