ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,556, issued on July 29, was assigned to Celanese International Corp. (Irving, Texas).
"Automotive weather seals formed with thermoplastic vulcanizate compositions" was invented by Antonios K. Doufas (Houston), Krishnan Anantha Narayana Iyer (Manvel, Texas), Khodabakhsh Irani (Houston) and Eric P. Jourdain (Rhode Saint Genese, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "Profiles or articles such as automotive seals (e.g., door seals and trunk seals) formed with foamed TPVs can comprise a thermoplastic polyolefin (e.g., polypropylene) and an ethylene-a-olefin-diene terpolymer, which imparts improved elastic properties. The sealing profile c...