US Patent Issued to Mondi on Dec. 2 for "Kraft paper and paper sack manufactured therefrom" (Austrian, Swedish, Dutch Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,617, issued on Dec. 2, was assigned to Mondi AG (Vienna).

"Kraft paper and paper sack manufactured therefrom" was invented by Lars Goran Berglund (Sundsvall, Sweden), Elisabeth Schwaiger (St. Stefan, Austria), Rene Van Wieringen (Nijmegen, Netherlands) and Leo Arpa (St. Gertraud, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A kraft paper having a pulp according to ISO 536 of between 60 g/m2 and 120 g/m2, a density of between 680 kg/m3 and 720 kg/m3, and a tensile strength index in the machine direction according to ISO 1924-3 of between 79 kNm/kg and 98 kNm/kg, the kraft paper optionally having a coating and/or an auxiliary element on at le...