US Patent Issued to CONSTANTIA PIRK on April 7 for "Paper packaging material with improved resuspendability of cellulosic fibres" (German Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,101, issued on April 7, was assigned to CONSTANTIA PIRK GMBH & Co. KG (Pirk, Germany).

"Paper packaging material with improved resuspendability of cellulosic fibres" was invented by Achim Grefenstein (Altrip, Germany), Markus Kick (Weiden, Germany), Matthias Scheck (Waldthurn, Germany) and Thomas Kesmarszky (Weiherhammer, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The patent application relates to a paper-based packaging material with a carrier paper and a first coating arranged indirectly on at least one side of the carrier paper, wherein the first coating is a barrier layer and has an increased diffusion resistance to at least one subs...