ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,707, issued on Aug. 19, was assigned to FUJIAN AKEYLINK BIOTECHNOLOGY Co. LTD. (Ningde, China).

"Preparation method for oxazepine compound" was invented by Yanbin Hu (Shanghai), Fei Sun (Shanghai) and Charles Z. Ding (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a preparation method for an oxazepine compound, and specifically disclosed are a preparation method for a compound of formula (I) and an intermediate of same."

The patent was filed on July 28, 2020, under Application No. 17/635,462.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=...