ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,989, issued on March 24, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).
"Biodegradable compositions and articles formed therefrom" was invented by Paul Michael Atkinson (Kingsport, Tenn.), Michael Eugene Donelson (Kingsport, Tenn.) and Xiaobo Hu (Johnson City, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A biodegradable composition is disclosed. The biodegradable composition includes (i) a biodegradable polymer and (ii) a cellulose ester. Films that include or are formed from the biodegradable composition, as well as articles that include a substrate and a layer of the biodegradable composition on a surface thereof, are also descr...