ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,298, issued on May 12, was assigned to IFP ENERGIES NOUVELLES (Rueil-Malmaison, France).

"Entrained-bed hydroconversion of a heavy hydrocarbon feedstock, comprising pre-mixing said feedstock with an organic additive" was invented by Joao Marques (Rueil-Malmaison Cedex, France), Thibaut Corre (Rueil-Malmaison Cedex, France), Jeremie Barbier (Rueil-Malmaison Cedex, France), Brett Matthew Silverman (Lawrenceville, N.J.), David M. Mountainland (Lawrenceville, N.J.) and Sukesh Parasher (Lawrenceville, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a slurry hydroconversion process of a heavy oil feedstock comprising: (...