ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,693, issued on Nov. 18, was assigned to UPM-KYMMENE Corp. (Helsinki).
"BCTMP-tailored SCK paper for release liner" was invented by Mikko Rissanen (Helsinki), Jukka Kotilainen (Helsinki), Harri Hiltunen (Helsinki), Kaarina Kekalainen (Helsinki) and Jari Heikkinen (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for manufacturing SCK paper having a basis weight in the range of 50 to 70 g/m2, wherein an optimal combination of BSKP and BCTMP is used to adjust the properties of the fiber furnish. In SCK papers with low basis weight the bulk of the formed paper web upon paper manufacturing may be controlled by mea...