ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,468, issued on March 3, was assigned to CHIROGATE INTERNATIONAL INC. (Yangmei, Taiwan).
"Processes and intermediates for the preparations of Carboprost and Carboprost Tromethamine, and Carboprost Tromethamine prepared therefrom" was invented by Shih-Yi Wei (Yangmei, Taiwan), Min-Kuan Hsu (Yangmei, Taiwan) and Jian-Bang Jheng (Yangmei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to processes for preparing Carboprost or Carboprost Tromethamine, and intermediates prepared from the process, and 5,6-trans isomer free Carboprost or Carboprost Tromethamine prepared therefrom. The invention also relates to a novel crystalline...