ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,361, issued on Sept. 30, was assigned to CHIROGATE INTERNATIONAL INC. (Yangmei, Taiwan).

"Processes and intermediates for the preparation of carbaprostacyclin analogues" was invented by Chun-Yu Lin (Yangmei, Taiwan), Tzyh-Mann Wei (Yangmei, Taiwan) and Shih-Yi Wei (Yangmei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form."

The patent was filed on Sept. 27, 2023, under Application No. 18/476,137.

*For further information, incl...