Rhone-poulenc Chimie

Fabienne Pettini

Thierry Seguelong

Denis Huguenin

Colored/pigmented substrates, for example plastics, paints, varnishes, ceramics, glazes, papers, inks, cosmetics, dyes, binders, coatings, rubbers, etc., include an effective coloration-imparting amount of at least one colorant terbium compound having the formula ATbO.sub.3 and/or ATbMO.sub.3, wherein A is at least one alkaline earth metal and M is cerium, zirconium, praseodymium, or combination thereof.

Pigmented substrates comprising terbium compound colorants

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.

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Fabienne Pettini