ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,642, issued on May 27, was assigned to Braukmann GmbH (Arnsberg, Germany).
"Vacuum-sealable plastic pouch" was invented by Linyi Xie (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A naturally degradable vacuum-sealable plastic bag, comprising a bag body, which is composed of layers compounded from a plurality of film layers (1, 2, 3), wherein a receiving cavity is formed in the middle of the bag body, which can be used for storing food, wherein at least one of the layers of film comprises a prodegradant material, wherein polyethylene is contained in the film material for preparing and manufacturing said multiple layers, wherein the ...