US Patent Issued to Northwestern University on Oct. 27 for "Graphene oxide as a barrier material for food packaging" (Illinois Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,139, issued on Oct. 27, was assigned to Northwestern University (Evanston, Ill.).

"Graphene oxide as a barrier material for food packaging" was invented by SonBinh T. Nguyen (Evanston, Ill.) and Timothy Wei (Glenview, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A food-packaging material is provided which comprises a paper substrate having a surface and a coating comprising exfoliated graphene oxide on the surface of the substrate, wherein the exfoliated graphene oxide is present at an amount of less than 1 wt %. Methods of making the food-packaging material and methods of using the food-packing material are also provided."

The patent was fi...