US Patent Issued to Eastman Chemical on Sept. 29 for "Biodegradable compositions and articles made from cellulose acetate" (Tennessee Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,333, issued on Sept. 29, was assigned to Eastman Chemical Co. (Kingsport, Tenn.).

"Biodegradable compositions and articles made from cellulose acetate" was invented by Wayne Ken Shih (Kingsport, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A foamable composition comprising at least one cellulose acetate, a plasticizer, a nucleating agent, and either a chemical blowing agent or a physical blowing agent is disclosed. The composition is formed into foamed articles that are biodegradable."

The patent was filed on Jan. 20, 2021, under Application No. 17/759,109.

*For further information, including images, charts and tables, please visit: http:...