US Patent Issued to UPM-KYMMENE on July 15 for "Method for freeze-drying a hydrogel composition and a freeze-dried hydrogel composition" (Finnish, Italian Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,870, issued on July 15, was assigned to UPM-KYMMENE Corp. (Helsinki).

"Method for freeze-drying a hydrogel composition and a freeze-dried hydrogel composition" was invented by Markus Nuopponen (Helsinki), Marjo Yliperttula (Espoo, Finland), Arto Merivaara (Helsinki), Ossi Korhonen (Hamula, Finland), Jacopo Zini (Helsinki), Elle Koivunotko (Helsinki), Lisa Chinello (Padua, Italy), Giulia Scapin (Castegnero, Italy), Anne Meriluoto (Helsinki) and Lauri Paasonen (Jarvenpaa, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for freeze-drying a hydrogel composition is disclosed, the method comprising providing the hydrogel composition, where...