ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,065, issued on July 22, was assigned to TREMCO ILLBRUCK Ltd. (Greater Manchester, Great Britain) and TREMCO ILLBRUCK GMBH (Bodenwohr, Germany).

"Fire-stopping product" was invented by Ian Outram (Crayford, Great Britain), Simon Jones (Coventry, Great Britain), Andrew Taylor (Wigan, Great Britain), Walter Geyer (Schwandorf, Germany), Markus Komma (Burglengenfeld, Germany) and Michael Pronold (Guteneck, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fire-stopping material in a panel for an interior building wall is provided. The fire-stopping material includes a resilient, porous material at least partially impregnated with an intumescent ag...