ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,944, issued on June 3, was assigned to THE SCRIPPS RESEARCH INSTITUTE (La Jolla, Calif.) and SYNTHORX INC. (Bridgewater, Netherlands).

"Incorporation of unnatural nucleotides and methods thereof" was invented by Jerod Ptacin (La Jolla, Calif.), Carolina Caffaro (La Jolla, Calif.), Hans Aerni (La Jolla, Calif.), Yorke Zhang (La Jolla, Calif.), Emil C. Fischer (La Jolla, Calif.), Aaron W. Feldman (La Jolla, Calif.), Vivian T. Dien (La Jolla, Calif.) and Floyd E. Romesberg (La Jolla, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are methods, compositions and kits for the synthesis of proteins which comprises unnatural amino acid...