US Patent Issued to Dai Nippon Printing on May 13 for "Power storage device packaging material, method for producing the same, and power storage device" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,826, issued on May 13, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Power storage device packaging material, method for producing the same, and power storage device" was invented by Daisuke Yasuda (Tokyo) and Takanori Yamashita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device packaging material including a heat-sealable resin layer containing polypropylene and polyethylene, in which whitening and a decrease in the insulation properties due to molding are prevented. A laminate with at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order from an outer side toward an inner sid...