ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,140, issued on Aug. 26, was assigned to PTC THERAPEUTICS INC. (Warren, N.J.).

"Substituted pyrrolo [2,3-dpyrimidines for treating familial dysautonomia" was invented by Jiashi Wang (West New York, N.J.), Michael A. Arnold (Flemington, N.J.), Amal Dakka (Whitehouse Station, N.J.), Gary Mitchell Karp (Princeton Junction, N.J.), Jana Narasimhan (Scotch Plains, N.J.), Nikolai A. Naryshkin (East Brunswick, N.J.) and Nanjing Zhang (Princeton, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present description relates to compounds of formula (I) useful for improving pre-mRNA splicing in a cell. In particular, another aspect described herein relates...