ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,285, issued on June 2, was assigned to Amrize Technology Switzerland LLC (Zug, Switzerland).

"Roofing systems utilizing a primer including a silicon-terminated polymer" was invented by Zengquan Qin (Brentwood, Tenn.), Jiansheng Tang (Westfield, Ind.) and Dharamdeep Jain (Akron, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of installing a roof system, the method comprising (i) providing a first membrane panel including a polymeric planar body having a top planar surface and a bottom planar surface; (ii) securing the first membrane panel to a roof substrate; (iii) providing a second membrane panel including a polymeric planar body havin...