ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,543, issued on July 21, was assigned to New Starch Solutions LLC (Plymouth, Minn.).

"Starch-based packaging material, apparatus and method for making same" was invented by Matthew H. Niles (Otsego, Minn.) and L. Ronald Bartels (Bay City, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Starch-based packaging material and methods for making the material are described. The starch-based packaging material can comprise layers of expanded starch with a cellulosic web disposed between the layers. The expanded starch can be formed by extruding starch with water which acts as an expanding agent and causes the starch to expand resulting in an extrudate ha...