ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,798, issued on June 10, was assigned to WEST CHINA HOSPITAL OF SICHUAN UNIVERSITY (Chengdu, China).

"Leonurine nanocomposite hydrogel and preparation methods and applications thereof" was invented by Weili Fu (Chengdu, China), Runze Yang (Chengdu, China), Liwei Yan (Chengdu, China) and Jian Li (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a field of biomedical technology. Embodiments of the present disclosure provide a leonurine nanocomposite hydrogel and preparation method and application thereof, including: dissolving dopamine (DA) monomers and inducing oxidation and self-polymerization of the DA ...