ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,409, issued on Dec. 2, was assigned to Susonity Commercial GmbH (Gernsheim, Germany).
"Particulate filler, preparation and use thereof" was invented by Johann Bauer (Darmstadt, Germany) and Manfred Parusel (Darmstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a particulate filler which has a coating on support particles in each case surrounding the latter, which comprises a titanium dioxide doped with niobium and at least one further element, to a process for the preparation of a particulate filler of this type and to the use thereof, in particular as varistor filler having nonlinear electrical properties...