ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,556, issued on June 24, was assigned to Kerry Group Services International Ltd. (County Kerry Tralee, Ireland).

"Compositions for retarding rancidity in oil-based food sauces and dressings" was invented by Romeo Toledo (Hull, Ga.), Richard S. Hull (Athens, Ga.), Bilal Kirmaci (Athens, Ga.) and Mo Mui Toledo (Hull, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Rate of rancid flavor development in oil-based sauces and dressings can be slowed down by addition of a mixture containing sequestering agents for dissolved oxygen and heavy metal ions that are derived from vinegar and fruit juices. The types and proportions of the components of the mixtur...