ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,406, issued on Dec. 2, was assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY (Spring, Texas).

"Heteroatom-doped zeolites for bifunctional catalytic applications" was invented by Takayuki Iida (Raritan, N.J.), Jihad M. Dakka (Whitehouse Station, N.J.), Brandon M. Carcuffe (Hackettstown, N.J.) and Aaron Peters (New Hope, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are methods for hydroisomerization of a hydrocarbon feedstock comprising contacting the hydrocarbon feedstock with hydrogen and a catalyst to yield a hydrocarbon product having an increase in branched hydrocarbons relative to the hydrocarbon feedstock. The prese...