ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,641, issued on Sept. 9, was assigned to BMIC LLC (Dallas).
"Fire-resistant multi-layer membrane" was invented by Gurpreet Singh Sandhar (Langley City, Canada) and Sahar Khedri (Langley City, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layer membrane with fire-resistant properties having improved thermal stability and shelf-life is provided. The multi-layer membrane 10 has at least a water resistant polymeric layer 12 bonded to a fire resistant component 13. The fire resistant component 13 has a first fire retardant coating 16 bonded to a carrier layer 14. The fire resistant component may further include a second fire retardant coa...