Wirth Guy B, Jahnig Charles E: Process for steam cracking crude oil. Esso Research and Engineering Company, November 2, 1971: US3617493 (66 worldwide citation)

An improved process for steam cracking a crude oil feed to produce products useful as chemical raw materials or fuels characterized by the steps wherein the crude oil feed is first passed through the convection section of a steam cracking furnace to vaporize the materials in the feed boiling below a ...