ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,431, issued on May 6, was assigned to IFP ENERGIES NOUVELLES (Rueil-Malmaison, France).

"Method of characterizing organic hydrocarbon compounds contained in a solid deposit of a geothermal plant" was invented by Maria-Fernanda Romero-Sarmiento (Rueil-Malmaison, France) and Herman Ravelojaona (Rueil-Malmaison, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of characterizing organic hydrocarbon compounds contained in a solid deposit of a geothermal plant, by measuring a quantity of organic hydrocarbon compounds released by a solid deposit sample during heating by pyrolysis according to a temperature seq...