AskAt received a Notice of Allowance from the U.S. Patent and Trademark Office (USPTO) dated November 4, 2022 for a process for the differential solubility-driven asymmetric transformation of substituted 2H-chromene-3-carboxylic acids. The Notice was issued in connection with Application Number 17/423,280 (Filing Date: January 20, 2020). In addition to the U.S., the process patent has also been granted in Japan.