Company combines their coating technology with Ingeo films to produce dual function films that enable simplified flexible packaging structures for the packaging industry MINNETONKA, Minn., and RONCELLO, Italy, March 17, 2016 -- NatureWorks and Metalvuoto announced today a new generation of high barrier Ingeo based flexible substrates designed to keep processed foods fresh on store shelves. While Ingeo film has been used for years in fresh food packaging, this is the first application for longer…