ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,959, issued on June 10, was assigned to Domtar Paper Co. LLC (Fort Mill, S.C.).

"Method for production of filler loaded surface enhanced pulp fibers" was invented by Harshad Pande (Pointe-Claire, Canada) and Bruno Marcoccia (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for preparing loaded paper pulp for use in the manufacture of paper or paper board. At least one process stream containing a plurality of unrefined pulp fibers and at least one process stream of at least one filler are combined in a refiner to form a loaded paper pulp composition having a plurality of surface enhanced pulp fi...