US Patent Issued to Johns Manville on April 7 for "Roofing compositions comprising linear low-density polyethylene" (Colorado Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,360, issued on April 7, was assigned to Johns Manville (Denver).

"Roofing compositions comprising linear low-density polyethylene" was invented by Lichih R Peng (Littleton, Colo.), Jordan Kortmeyer (Parker, Colo.), ChangQing Shen (Centennial, Colo.), Lance Wang (Parker, Colo.) and Jawed Asrar (Englewood, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a polymer blend composition comprising linear low density polyethylene, a polypropylene polymer, generally comprising a random polypropylene copolymer, and a compatibilizer. In one embodiment, there is provided a polymer blend composition comprising 15 to 35 wt % of a polypropylene pol...