ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,976, issued on Aug. 12, was assigned to EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY (Annandale, N.J.).

"Apparatus and process for upgrading heavy hydrocarbons" was invented by Eric B. Shen (Basking Ridge, N.J.), Anjaneya S. Kovvali (Herndon, Va.), Aruna Ramkrishnan (Bridgewater, N.J.), Arun K. Sharma (Hellertown, Pa.), Samuel J. Cady (Morristown, N.J.), Stephen H. Brown (Lebanon, N.J.), Rustom M. Billimoria (Hellertown, Pa.), Brenda A. Raich (Annandale, N.J.), Bryan A. Patel (Jersey City, N.J.), Phillip K. Schoch (Bridgewater, N.J.) and John Della Mora (North York, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provi...