ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,859, issued on Oct. 14, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).
"Strain hardened polypropylene copolymer compositions" was invented by Sasha P. Schmitt (Houston), George J. Pehlert (Houston), Stefan B. Ohlsson (Keerbergen, Belgium) and Willy J.J. Leysen (Sao Paulo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to compositions including copolymers, and methods for making compositions. In an embodiment, a composition includes the product of a copolymer comprising at least 50 mol % propylene and at least 1 wt % of at least one of ethylene or a C4 to C10 Alpha-olefin, based on the total weight of...