ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,639, issued on Dec. 30, was assigned to ENI S.P.A. (Rome).
"Removal of acid gases from gaseous mixtures containing them" was invented by Alberto Renato De Angelis (San Donato Milanese, Italy), Gianluca Fiori (San Donato Milanese, Italy) and Filomena Castaldo (San Donato Milanese, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acid gas absorbing mixture and a process for the removal of acid gases from gaseous mixtures containing them, such as natural gas, air and flue gases and an absorbent mixture usable for the removal of acid gases from gaseous mixtures containing them includes at least one diol of general formula R(OH)2 having a normal b...