ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,651, issued on June 30, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).
"Propylene-based polymer compositions having a high molecular weight tail" was invented by George J. Pehlert (Houston), Ranadip Ganguly (Houston), Christopher G. Bauch (Seabrook, Texas), Blu E. Englehorn (Houston), Xiaodan Zhang (Houston), Mark S. Chahl (Friendswood, Texas), Kevin W. Lawson (Houston) and Xuejia Yan (Manvel, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Processes for forming a polypropylene composition are provided herein comprising the steps of making a first propylene-based copolymer having a molecular weight distribution between 3 to ...