ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,565, issued on Oct. 27, was assigned to LAMBERTI SPA (Albizzate, Italy).
"Method for improving the barrier properties of a paper substrate" was invented by Andrea Mascaro (Gallarate, Italy), Simona Esposito (Gallarate, Italy), Marco Ubbiali (Gorla Minore, Italy), Thierry Bossi (Azzio, Italy) and Cristina Barcellona (Legnano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for improving the water and/or oil resistance of a paper substrate comprising: i) providing a paper substrate; ii) applying to the paper substrate a water-based barrier coating composition having a solids content from 10 to 55 wt % (% by weight) and comprising from 50...