ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,808, issued on Nov. 11, was assigned to Novartis AG (Basel, Switzerland).

"Aminopyridine derivatives and their use as selective ALK-2 inhibitors" was invented by Luca Arista (Riehen, Switzerland), Sreehari Babu (Hyderabad, India), Jianwei Bian (Jiangsu Province, China), Kai Cui (Jiangsu Province, China), Michael Patrick Dillon (Castro Valley, Calif.), Rene Lattmann (Oberwil, Switzerland), Jialiang Li (Jiangsu Province, China), Lv Liao (Shanghai), Dimitrios Lizos (Basel, Switzerland), Rita Ramos (Allschwil, Switzerland), Nikolaus Johannes Stiefl (Lorrach, Germany), Thomas Ullrich (Bottmingen, Switzerland), Peggy Usselmann (Wahlbach, France), Xiaoyang Wang (Shanghai), Liladhar Murli...