ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,230, issued on Sept. 29, was assigned to Pardes Biosciences Inc. (Carlsbad, Calif.).

"Inhibitors of cysteine proteases and methods of use thereof" was invented by Lee D. Arnold (Rancho Santa Fe, Calif.), Uri Lopatin (Berkeley, Calif.) and Walter Keung (Encinitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides compounds with warheads and their use in treating medical diseases or disorders, such as viral infections. Pharmaceutical compositions and methods of making various compounds with warheads are provided. The compounds are contemplated to inhibit proteases, such as the 3C, CL- or 3CL-like protease."

The patent was...