ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,866, issued on June 2, was assigned to TECHNODERMA MEDICINES INC (Chengdu, China).

"Small molecule compound serving as JAK kinase inhibitor and use thereof" was invented by Wenkui Ken Fang (Chengdu, China), Guanqun Li (Chengdu, China), Yuting Cai (Chengdu, China), Xiang Pan (Chengdu, China), Wenhao Zhu (Chengdu, China), Yang Wang (Chengdu, China) and Zengquan Wang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided in the present invention are a small molecule compound, which is the compound represented by formula (I), or a stereoisomer, a geometric isomer, a tautomer, a hydrate, a solvate, and a pharmaceutically acceptable salt o...