ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,028, issued on March 3, was assigned to Toppan Holdings Inc. (Tokyo).
"Multilayer body and packaging material" was invented by Ryota Tanaka (Tokyo) and Shinya Ochiai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This multilayer body is provided with a base layer, an intermediate layer, a heat seal layer, a first adhesive layer that is provided between the base layer and the intermediate layer, and a second adhesive layer that is provided between the intermediate layer and the heat seal layer. The base layer, the intermediate layer, and the heat seal layer are configured to include polyethylene. In a case where the base layer is a stretched p...