US Patent Issued to IFP Energies nouvelles on May 27 for "Hydrodesulfurization catalyst with active-phase distribution as a crust" (French Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,544, issued on May 27, was assigned to IFP Energies nouvelles (Rueil-Malmaison, France).

"Hydrodesulfurization catalyst with active-phase distribution as a crust" was invented by Antoine Fecant (Rueil-Malmaison, France) and Charlie Blons (Rueil-Malmaison, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Catalyst containing an active phase which contains a group VIB element, at least one group VIII element and phosphorus, and a support containing alumina, the catalyst being characterized in that at least 80% by weight of the group VIB elements, of the group VIII elements and of the phosphorus are distributed in the form of a crust at the periphe...