ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,187, issued on Nov. 3, was assigned to DELFORTGROUP AG (Traun, Austria).

"Wrapping paper having a low diffusion capacity" was invented by Roland Zitturi (Innsbruck, Austria) and Dietmar Volgger (Gnadenwald, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a wrapping paper for a smoking article, said wrapping paper comprising long-fibre pulp, short-fibre pulp, and inorganic filler, wherein: at least a portion of the long-fibre pulp is ground and the ground long-fibre pulp constitutes at least 15% and at most 70% of the mass of the wrapping paper, at least a portion of the short-fibre pulp is ground and the ground short-f...