ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,556, issued on July 8, was assigned to INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) (Paris), CENTRE HOSPITALIER UNIVERSITAIRE DE CLERMONT-FD (Clermont-Ferrad, France), SIGMA CLERMONT (Aubiere, France), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) (Paris) and UNIVERSITE CLERMONT AUVERGNE (Clermont-Ferrand, France).

"Pyridin-2(1H)one derivatives, their preparation and their use for the treatment of pain" was invented by Radhouane Dallel (Clermont-Ferrand, France), Alain Artola (Clermont-Ferrand, France), Amelie Descheemaeker (Clermont-Ferrand, France), Fabrice Anizon (Aubiere, France), Isabelle Thomas (Aubiere, France), Pascale Moreau (Aubiere, France), A...