ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,655, issued on Dec. 23, was assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY (Spring, Texas).

"Isomerization of biofeeds over base metal catalysts" was invented by Megan E. Witzke (Bedminster, N.J.), Randolph J. Smiley (Hellertown, Pa.), Chuansheng Bai (Phillipsburg, N.J.), Scott J. Weigel (Allentown, Pa.) and Xiaochun Xu (Basking Ridge, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An isomerization catalyst is provided, along with corresponding systems and methods, which provides improved isomerization for bio-derived feeds in reaction environments where by-products from deoxygenation are present. The catalyst provides unexpectedly i...