ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,505, issued on Oct. 21, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).
"Ethylene-based copolymer and propylene-alpha-olefin-diene compositions for use in layered articles" was invented by Zhifeng Bai (Houston), Scott H. Loyd (League City, Texas), Milind B. Joshi (Bengaluru, India), Felix M. Zacarias (Houston), Xiao Bo Peng (Shanghai) and Yuya Iwashita (Yokohoma, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elastomeric composition is provided that includes from 1 to 100 parts by weight per hundred parts by weight rubber (phr) of a first propylene-Alpha-olefin-diene (PEDM) terpolymer comprising 70 wt % to 92.5 wt % propy...