ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,438, issued on May 26, was assigned to MARS Inc. (McLean, Va.).

"Screening methods using canine T2R receptors and pet food products and compositions identified using the same" was invented by Matthew Ronald Gibbs (Leicestershire, Great Britain), Neil George Desforges (Leicestershire, Great Britain), Andrew John Taylor (Leicestershire, Great Britain), Scott Joseph McGrane (Leicestershire, Great Britain), Boris Klebansky (Demarest, N.J.) and Richard Masten Fine (Ridgewood, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The presently disclosed subject matter relates to methods of screening raw materials and pet food products to manufacture a palata...