ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,135, issued on Dec. 2, was assigned to Metro International Biotech LLC (Worcester, Mass.).

"Nicotinamide mononucleotide derivatives and their uses" was invented by Karl D. Normington (Prides Crossing, Mass.), David A. Sinclair (Chestnut Hill, Mass.), David J. Livingston (Worcester, Mass.), James M. McKearin (Worcester, Mass.), Bruce Szczepankiewicz (Worcester, Mass.) and Jonathan N. Kremsky (Worcester, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to compositions of nicotinamide mononucleotide derivatives and their methods of use. The invention also relates to methods of preparing nicotinamide mononucleotide derivatives. ...