ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,373, issued on April 7, was assigned to KRONOS International Inc. (Leverkusen, Germany).
"Titanium dioxide pigment with coloring after-treatment" was invented by Norbert Bendzko (Leverkusen, Germany) and Frank Mersch (Leverkusen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a colored pigment particle, a method for obtaining said colored pigment particle, and a composition comprised of said particle. In addition, the invention refers to the use of said colored pigment particle."
The patent was filed on Feb. 6, 2023, under Application No. 18/106,322.
*For further information, including images, charts and tables, pl...