ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,960, issued on June 10, was assigned to Stora Enso OYJ (Helsinki).

"Coated paper substrate suitable for metallization" was invented by Kaj Backfolk (Villmanstrand, Finland), Isto Heiskanen (Imatra, Finland) and Katja Lyytikainen (Imatra, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a coated paper substrate that is particularly suitable for metallization and other nano-coatings that provide barrier properties and are applied using vacuum deposition techniques. The invention is also directed to a process for preparing the coated paper substrate. The invention is also directed to a packaging material compr...