ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,799, issued on July 14, was assigned to Evonik Operations GmbH (Essen, Germany).

"Dielectric fluid compositions comprising low viscosity monoesters with improved low temperature performance" was invented by Kristina Jovic (Singapore) and Roland Wilkens (Gernsheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to branched monoesters of formula (I), as well as to a dielectric fluid composition, intended for use as a cooling fluid for electrical equipment systems, comprising at least one of these branched monoesters of formula (I). The invention is also directed to a method of cooling electrical equipment systems by using...