ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,840, issued on June 9, was assigned to ExxonMobil Chemical Patents Inc. (Baytown, Texas).
"Processes for producing cyclic olefins from polymers and re-polymerization thereof" was invented by Alexander V. Zabula (Seabrook, Texas), Lubin Luo (Houston), Carlos R. Lopez-Barron (Houston), Brian J. Rohde (Houston), Mark K. Davis (Humble, Texas), Frank N. Raushel (Baytown, Texas), Yong Yang (Kingwood, Texas) and Alan A. Galuska (Ellijay, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, a process for producing a cyclic olefin includes introducing a polymer to a metathesis catalyst in a reaction vessel under reaction conditions. The pro...