Yellow/orange pigments comprising zirconium oxide and cerium, praseodymium and/or terbium values

摘要

Nontoxic yellow/orange pigment compositions, well suited for the coloration of a wide variety of substrates, for example paints, varnishes, plastics, ceramics, etc., comprise a major amount of a zirconium oxide and an additive amount of cerium, praseodymium and/or terbium values, such rare earth values being in the form of the oxides thereof.