ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,217, issued on May 5, was assigned to Khalifa University of Science and Technology (Abu Dhabi, United Arab Emirates).
"Food packaging films for food storage and freshness monitoring" was invented by Fawzi Banat (Abu Dhabi, United Arab Emirates), Vengatesan Muthukumaraswamy Rangaraj (Abu Dhabi, United Arab Emirates), Mohammad Abu Haija (Abu Dhabi, United Arab Emirates) and Fathima Sumaiya Mohamed Rafeek (Abu Dhabi, United Arab Emirates).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pH responsive film for indicating food freshness includes a protein, a polysaccharide, and anthocyanin, wherein the protein and the polysaccharide form a protein/polysacch...