ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,530, issued on Sept. 30, was assigned to Stora Enso OYJ (Helsinki).
"Method of making a cellulose film comprising microfibrillated cellulose" was invented by Otto Nylen (Helsinki), Isto Heiskanen (Imatra, Finland) and Isabel Knoos (Saffle, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making a cellulose film comprising microfibrillated cellulose (MFC) is provided, said method comprising the step of: applying an aqueous emulsion of one or more vegetable oils to a surface of a casting substrate. Improved release of the MFC film can thus be achieved."
The patent was filed on Dec. 22, 2020, under Application No. 17/757,256.
*For ...