US Patent Issued to Celanese International on Feb. 10 for "Thermoplastic vulcanizate compositions" (Belgian, American Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,777, issued on Feb. 10, was assigned to Celanese International Corp. (Irving, Texas).

"Thermoplastic vulcanizate compositions" was invented by Krishnan Anantha Narayana Iyer (Manvel, Texas), Antonios K. Doufas (Houston), Michael J. Goncy (Mont Belvieu, Texas) and Eric P. Jourdain (Rhode Saint Genese, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "In another embodiment, a TPV composition includes an ethylene based copolymer, a thermoplastic polyolefin, and one or more of an oil or a plasticizer. The ethylene based copolymer has an Mw of from 400,000 g/mol to 3,000,000 g/mol, a Mw/Mn of 10 or less, and a g'vis of 0.7 or more. An amount of the ...