US Patent Issued to Cargill on Nov. 11 for "Synthetic ester and mineral oil dielectric fluids with increased stability" (Minnesota Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,009, issued on Nov. 11, was assigned to Cargill Inc. (Wayzata, Minn.).

"Synthetic ester and mineral oil dielectric fluids with increased stability" was invented by Todd L. Kurth (Maple Grove, Minn.) and Kevin R. Wirtz (Eden Prairie, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dielectric fluid is provided comprising an oil and one or more compounds selected from the group consisting of phosphite compounds. It has been discovered that addition of one or more compounds selected from the group consisting of phosphite compounds to dielectric fluids comprising oil impart a stabilizing effect that reduces, inhibits or prevents formation of stray...