ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,310, issued on Feb. 3, was assigned to NA VACCINE INSTITUTE (Seoul, South Korea).

"Hetero-structured ribonucleic acid and use thereof" was invented by Dong Ho Kim (Seongnam-si, South Korea) and Myung Soo Kang (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hetero-structured RNA with two 3'-overhangs and use thereof as an immune stimulant are provided."

The patent was filed on Oct. 26, 2021, under Application No. 17/510,536.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&...