ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,929, issued on March 31, was assigned to WestRock MWV LLC (Atlanta).

"Recyclable blanks and containers made therefrom having controlled fluid permeability" was invented by John D. Benson (North Charleston, S.C.) and William T. Mcdonnell (Elmhurst, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blank for a package can include a substrate comprising a recyclable paper, the substrate having a first side and a second side opposite the first side. The blank can include one or more recyclable fluid resistant layers on the first side of the substrate configured to prevent water and/or oxygen from passing through to the substrate. The one or more re...