ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,529, issued on Dec. 23, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).

"Polymers of 4-substituted hexadiene and processes for production thereof" was invented by Alex E. Carpenter (Seabrook, Texas), Tzu-Pin Lin (Seabrook, Texas), Brian J. Rohde (Houston), Sarah J. Mattler (League City, Texas), Nikola S. Lambic (Houston), Hsu Chiang (Humble, Texas), Peijun Jiang (Katy, Texas), Irene C. Cai (Webster, Texas), Gursu Culcu (Humble, Texas) and Jarod M. Younker (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to polymers comprising: one or more that include 1) at least 11 wt % 4 substituted 1,4 hexadiene an...