ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,266, issued on June 24, was assigned to GENETIC S.P.A. (Castel San Giorgio SA, Italy).

"Montelukast esters and pharmaceutical compositions containing the same" was invented by Giuseppe Caliendo (Marigliano, Italy), Giuseppe Cirino (Naples, Italy), Ferdinando Fiorino (Benevento, Italy), Francesco Frecentese (Aversa, Italy), Marcelo Nicolas Muscara' (Campinas, Brazil), Elisa Perissutti (Venafro, Italy), Antonio Petti (Battipaglia, Italy), Vincenzo Santagada (Naples, Italy), Beatrice Severino (Mugnano di Napoli, Italy) and Fiorentina Roviezzo (Bonea, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to esters of Montelu...