ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,459, issued on March 3, was assigned to UOP LLC (Des Plaines, Ill.).
"Naphtha to ethane and propane unit with hydrogen slip" was invented by Scott L Nauert (Chicago) and John J. Senetar (Naperville, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for making ethylene from a hydrocarbon feed requires separating the hydrocarbon feed comprising ethane, hydrogen, and/or methane and hydrocarbons with 3 or greater carbons into an ethane-rich stream comprising hydrocarbons with 2 or less carbons and a heavy stream comprising hydrocarbons with 3 or more carbons. The ethane-rich stream is passed to a process which produces ethylene. The ethane-r...