ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,366, issued on June 17, was assigned to IFP Energies nouvelles (Rueil-Malmaison, France).

"Process for treating lignocellulosic biomass" was invented by Sophie Couderc (Rueil-Malmaison, France), Marc Jacquin (Rueil-Malmaison, France) and Caroline Aymard (Rueil-Malmaison, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for treating a lignocellulosic biomass pretreated beforehand (1), said process comprising the extraction of the free sugars from said pretreated biomass using an alcoholic or aqueous-alcoholic extraction solution (2), so as to obtain a liquid phase enriched in free sugars, called liquor ...