ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,011, issued on April 22, was assigned to ENI S.P.A. (Rome).

"Method for the assessment of the dispersing capacity of new or used lubricating compositions and of additives for lubricating compositions" was invented by Marcello Notari (San Donato Milanese, Italy), Riccardo Rausa (San Donato Milanese, Italy), Giulio Assanelli (San Donato Milanese, Italy), Giovanni Ferraro (Florence, Italy), Emiliano Fratini (Sesto Fiorentino, Italy) and Piero Baglioni (Fiesole, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the assessment of the dispersing capacity of new and used lubricating compositions, in particular for internal combustion engines...