US Patent Issued to BRIGHTHOLME on July 21 for "Intumescent grid" (Canadian Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,012, issued on July 21, was assigned to BRIGHTHOLME INC. (Edmonton, Canada).

"Intumescent grid" was invented by Wesley James Wall (Edmonton, Canada), Adam Wall (Acheson, Canada) and Shekaib Adab (Acheson, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intumescent mesh has a flexible grid with a plurality of strands that form a series of openings in the flexible grid, and an intumescent coating applied to the flexible grid. The intumescent coating is made of an expandable graphite and a polymer-based carrier as ingredients and having an activation temperature above which the intumescent coating swells. The grid is sized such that the intume...