ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,710, issued on April 21, was assigned to ORION ENGINEERED CARBONS IP GMBH & Co. KG (Monheim am Rhein, Germany).
"Composite carbon black particles" was invented by Wan Jiang (Hurth, Germany), Silvia Witt (Kerpen, Germany), Guido Waidmann (Erftstadt, Germany), Matthias Hoeck (Langenfeld, Germany) and David Deters (Bonn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Suggested is a composite particle comprising or consisting of a solid core partially or entirely coated with at least one inorganic compound, wherein (a) said solid core is a carbon black particle carrying functional groups on its surface, and (b) said at least one inorganic compo...