US Patent Issued to DUPONT SAFETY & CONSTRUCTION, COVEME S.P.A on Sept. 15 for "Impregnating coating layer for insulating sheetsand multilayer laminates" (Swiss, Italian Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,766, issued on Sept. 15, was assigned to DUPONT SAFETY & CONSTRUCTION INC. (Wilmington, Del.) and COVEME S.P.A (Gorizia, Italy).

"Impregnating coating layer for insulating sheetsand multilayer laminates" was invented by Benjamin Gaussens (Meyrin, Switzerland), Giorgio Patrizio Vercesi (Meyrin, Switzerland) and Luigi D'Arco (Gorizia, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a multilayer laminate comprising at least three layers, wherein the two outer layers are each nonwoven backing sheet (7) containing a crystalline silicate mineral powder impregnated with a coating of an impregnating resin based on acry...