ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,380, issued on Dec. 2.
"Earth plant compostable biodegradable substrate and method of producing the same" was invented by Edward Showalter (Santa Monica, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earth plant-based compostable biodegradable composition for the formation of a bioplastic and method of producing said resin, the composition comprising: about 17.5 to 45% ethanol-based green polyethylene by weight, about 20 to 25% calcium carbonate by weight, about 2 to 12% hemp hurd or soy protein by weight, about 32 to 45% starch by weight, and about 0.5 to 1% biodegradation additive by weight to enable biodegradation and composting of the ...