ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,315, issued on March 24, was assigned to BMIC LLC (Dallas).
"Flexible polymeric roofing materials and related systems and related methods" was invented by Paul Lem (Mountain Lakes, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roofing material is provided. The roofing material comprises a first layer, The first layer comprises 1% to 65% by weight of a first non-styrenic propylene copolymer based on a total weight of the first layer. The first layer comprises 1% to 65% by weight of a second non-styrenic propylene copolymer based on the total weight of the first layer. The first non-styrenic propylene copolymer is different from the second no...