ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,034, issued on July 7, was assigned to North Carolina State University (Raleigh, N.C.).

"Biodegradable biopolymer films" was invented by Orlin D. Velev (Raleigh, N.C.) and Yosra Kotb (Raleigh, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a biopolymer composite film that includes a polysaccharide matrix reinforced with soft dendritic colloids and methods for making. The method can include dissolving agarose in water to form a first mixture, mixing nanofibrillated chitosan in the agarose, sonicating or stirring the mixture to form a homogeneous second mixture, casting the second mixture, and gelling the second mixture to form a film....