ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,301, issued on Feb. 3, was assigned to King-eagle Med Technology Co. Ltd. (Changsha, China).

"Compound external preparation for treating alopecia areata and preparation method therefor" was invented by Hailong Zhang (Hunan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a compound external preparation for treating alopecia areata and a preparation method therefor. The compound external preparation includes an active ingredient A and an active ingredient B, the active ingredient A is one or more of a JAK inhibitor and a pharmaceutically acceptable salt thereof, and the active ingredient B is minoxidil or a pharmac...