ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,613, issued on Aug. 18, was assigned to TXINNO BIOSCIENCE INC. (Gyeonggi-Do, South Korea).

"Naphthyridinone derivative having inhibitory activity against ectonucleotide pyrophosphatase-phosphodiesterase and use thereof" was invented by Seo Jung Han (Seoul, South Korea), Chan Sun Park (Gyeonggi-Do, South Korea), Sung Joon Kim (Gyeonggi-Do, South Korea), Jae Eun Cheong (Seoul, South Korea), Jung Hwan Choi (Gyeonggi-Do, South Korea), Ali Imran (Gyeonggi-Do, South Korea), Sun Woo Lee (Gyeonggi-Do, South Korea), Yong Yea Park (Gyeonggi-Do, South Korea), Ah Ran Yu (Gyeonggi-Do, South Korea) and Sun Young Park (Gyeonggi-Do, South Korea).

According to the abstract* released by the U.S. P...