ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,661, issued on Dec. 9.
"Compostable bioplastic and methods of manufacture" was invented by Mercade Frost (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a biodegradable bioplastic includes preparing a plant derived polymer base, preparing bamboo extracts from bamboo wood, and combining the bamboo extracts with the polymer base, optionally by heating and mixing the polymer base in a liquid form together with the bamboo extracts in a liquid form. The bamboo extracts may be applied as a surface treatment of the polymer base, with the polymer base in a solid form. The plant derived polymer base may include water, p...