ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,324, issued on Dec. 9, was assigned to BMIC LLC (Dallas).
"Butene-containing polymer layers for roofing" was invented by Li-Ying Yang (Whippany, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Butene-containing polymer layers for roofing applications are provided. A roofing material comprises a first layer and an adhesive layer. The first layer comprises a thermoplastic polymer. The first layer comprises 0.01% to 35% by weight of a butene-containing polymer based on a total weight of the first layer. When the roofing material is installed on a roofing substrate, the adhesive layer is located between the first layer and the roofing substrate. Rela...