US Patent Issued to UPM-KYMMENE on March 31 for "Method of making a binder composition, and binder composition" (Finnish, German Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,114, issued on March 31, was assigned to UPM-KYMMENE Corp. (Helsinki).

"Method of making a binder composition, and binder composition" was invented by Suvi Pietarinen (Lappeenranta, Finland), Sanna Valkonen (Lappeenranta, Finland) and Okko Ringena (Neusass, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for treating lignin, wherein the method comprises the following steps: a) dissolving lignin into an aqueous composition, which contains a compound selected from the class of phenols, while keeping the temperature of the composition at 0-60deg C.; and b) allowing the composition to react while keeping the tem...