US Patent Issued to Amrize Technology Switzerland on Sept. 30 for "Multi-layered thermoplastic roofing membranes" (Indiana Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,842, issued on Sept. 30, was assigned to Amrize Technology Switzerland LLC (Zug, Switzerland).

"Multi-layered thermoplastic roofing membranes" was invented by Hao Wang (Carmel, Ind.), Donna C. Tippmann (Fishers, Ind.) and Michael J. Hubbard (Goshen, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-layered membrane comprising skin layers including an ethylene-based olefinic block copolymer (EBOC); and two or more core layers including a propylene-based elastomer (PBE)."

The patent was filed on May 15, 2024, under Application No. 18/664,472.

*For further information, including images, charts and tables, please visit: http://patft.uspto.g...