US Patent Issued to Amrize Technology Switzerland on Sept. 8 for "Thermoplastic roofing membranes for fully-adhered roofing systems" (Indiana Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,538, issued on Sept. 8, was assigned to Amrize Technology Switzerland LLC (Zug, Switzerland).

"Thermoplastic roofing membranes for fully-adhered roofing systems" was invented by Hao Wang (Carmel, Ind.), Michael J. Hubbard (Goshen, Ind.), Dwayne Wacenske (Indianapolis) and Donna C. Tippmann (Fishers, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermoplastic roofing membrane comprising a planar thermoplastic sheet, optionally having more than one layer, where at least one layer of the membrane includes an ethylene-based olefinic block copolymer, and where the sheet is characterized by a storage modulus of less than 450 MPa at 0deg C."

The p...