ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,198, issued on March 25, was assigned to Mettler Packaging LLC (Raynham, Mass.).

"Plastic film bags and use thereof" was invented by Rene Donner (Morbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plastic film bag with a bag opening and an opposite bag end includes a plastic film front wall, a plastic film rear wall, a plastic film bag bottom, a plastic film interlayer arranged between the plastic film front wall and the plastic film rear wall, and at least one first layer comprising liquid-absorbent material, wherein the first layer is connected via the front side to the rear side of the plastic film interlayer and extends in the di...