ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,950, issued on Sept. 23, was assigned to The UAB Research Foundation (Birmingham, Ala.).

"Saponin-based vaccine adjuvants" was invented by Pengfei Wang (Hoover, Ala.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A number of MS- and natural-saponin-based vaccine adjuvant candidates have been prepared. The MS derivatives were prepared by incorporating a terminal-functionalized side chain into the C3 glucuronic acid unit of the natural saponins MS I and II through amide formation reaction; and the QS analogs were prepared via multi-step organic synthesis. These unnatural saponins showed significantly different immunostimulant activity profiles, sugge...