ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,279, issued on March 3, was assigned to DAIWA CAN COMPANY (Tokyo).

"Lid" was invented by Ken Suzuki (Sagamihara, Japan), Jun Shibata (Sagamihara, Japan), Ayako Inumaru (Sagamihara, Japan) and Kyoko Suganuma (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lid for covering a cup-shaped drinking container, a resin forming the lid being a biodegradable resin, 50% by mass or more of the biodegradable resin having a deflection temperature under load of 80deg C. or more, 5% by mass or more of the biodegradable resin having a flexural elastic modulus of 3000 MPa or more."

The patent was filed on Nov. 29, 2022, under Application No. 18/0...