ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,470, issued on May 13, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).

"Thin film interference pigments with a coating of nanoparticles" was invented by Alberto Argoitia (Santa Rosa, Calif.), John Edward Book (Santa Rosa, Calif.) and Jaroslaw Zieba (Santa Rosa, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An article including a thin film interference pigment; and a coating including a selectively absorbing nanoparticle is disclosed. The article can exhibit increased chromaticity as compared to the thin film interference pigment alone. A method of making the article is also disclosed. The method comprises providing a thin film interf...