ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,592, issued on May 6, was assigned to University Of Delaware (Newark, Del.).

"Ion-conducting bio-based polymers from raw lignocellulosic biomass" was invented by Thomas H. Epps III (Bear, Del.), Angela L. Holmberg (Somerville, Mass.), Kaleigh H. Nicastro (Newark, Del.), Shu Wang (Newark, Del.), Basudeb Saha (Newark, Del.), Li Shuai (Blacksburg, Va.), Dionisios G. Vlachos (Newark, Del.) and Melody A. Morris (Elkton, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a bio-based copolymer comprising in polymerized form (i) at least one polymerizable bio-based monomer containing one phenolic hydroxyl group which has been derivatized...