U.S. 8,129,021 B2
Eckart GmbH has received a patent for an effect pigments with a platelet-shaped substrate provided at least on one side with at least one of at least one coating of semitransparent metal and at least one high-index coating having a refractive index≧2.0, wherein the platelet-shaped substrate is comprised ofat least one mixed inorganic/organic phase.