ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,019, issued on June 17, was assigned to Uniwersytet Jagiellonski (Cracow, Poland) and Warszawski Uniwersytet Medyczny (Cracow, Poland).

"Modified amino acid derivatives for the treatment of neurological diseases and selected psychiatric disorders" was invented by Krzysztof Kaminski (Cracow, Poland), Michal Abram (Cracow, Poland), Marcin Jakubiec (Wilkowice, Poland), Anna Rapacz (Cracow, Poland), Szczepan Mogilski (Labowa, Poland), Gniewomir Latacz (Wolbrom, Poland) and Marta Struga (Milanowek, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "2-(2,5-dioxopyrrolidin-1-yl)propanamide and 2-(2-oxopyrrolidin-1-yl)propanamide derivatives with R-confi...