ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,369, issued on Aug. 5, was assigned to Aalto University Foundation sr (Aalto, Finland).

"Lignin particle based hydrogel and the method for preparation of lignin colloidal particles by solvent evaporation process" was invented by Monika Osterberg (Aalto, Finland), Mika Sipponen (Aalto, Finland), Mauri Kostiainen (Aalto, Finland), Laura Akras (Aalto, Finland), Guillaume Riviere (Aalto, Finland) and Xue Zhang (Aalto, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method of preparing a dispersion of colloidal lignin particles by providing a solution of lignin in a mixture of an organic solvent for lignin and a non-solvent for lignin having a rati...