ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,119, issued on Feb. 4, was assigned to Metgen OY (Kaarina, Finland).

"Method for obtaining low molecular weight lignin" was invented by Anu Minna Maaret Suonpaa (Kaarina, Finland), Matti Wilhelm Heikkila (Kaarina, Finland), Joana Raquel Amaral Antunes (Kaarina, Finland) and Klara Birikh (Kaarina, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to obtaining lignin preparations of desirable molecular size and properties. It describes a method of de-polymerizing lignin of high molecular weight into low molecular weight lignin. More in particular, the invention provides a method for producing lignin with a low molecular weigh...