US Patent Issued to Kronos International on Oct. 7 for "Printing ink containing undried, coated titanium dioxide" (German Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,228, issued on Oct. 7, was assigned to Kronos International Inc. (Leverkusen, Germany).

"Printing ink containing undried, coated titanium dioxide" was invented by Ingo Grosser (Hamburg, Germany), Nicole Kolmer-Anderl (Langenfeld, Germany), Annika Herbst (Dusseldorf, Germany) and Simon Munzer (Langenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aqueous printing ink comprised of undried, coated titanium dioxide pigment particles obtainable by a method comprising the steps of (i) providing an aqueous suspension of titanium dioxide base pigments, and (ii) forming at least one coat on said titanium dioxide base pigments as well as to an ...