AskAt received a Notice of Allowance dated May 1, 2023 from the Korean　Intellectual Property Office (KIPO) for a process for the differential solubility-driven asymmetric transformation of substituted 2H-chromene-3-carboxylic acids. The notice was issued in connection with Korean Patent Application No. 10-2021-7026299 (Filing Date: January 20, 2020). In addition to Korea, the process patent has been granted in Europe, Japan, Mexico, Russia, and the U.S.