An asymmetric pigment including a first Fabry-Perot structure; and a second Fabry-Perot structure; wherein the first Fabry-Perot structure and the second Fabry-Perot structure have a similar hue angle within +/45 degrees is disclosed. Other asymmetric pigments are also disclosed as well as methods of making the disclosed pigments.

The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.

The present invention relates to silver-colored effect pigments having a strong sparkle effect based on Al2O3 flakes and to the use thereof in paints, button pastes, automotive paints, automotive refinish paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, for coating seed, in security applications, as dopant for the laser marking of plastics and papers, as additive for the laser welding of plastics, in cosmetic formulations and for the preparation of pigment preparations and dry preparations.

The present invention is related to magnetic pigments comprising a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments as well as to their use.

In light of diversification of required properties, the present disclosure seeks to improve glitter pigments from a viewpoint different from the intensity and vividness of color. The present disclosure provides a glitter pigment including: a flaky substrate; and a coating including zirconium oxide on the flaky substrate, wherein a mean deviation of mean friction coefficient (MMD) of the glitter pigment is 1.5 or less. The present disclosure also provides a glitter pigment including: a flaky substrate; and a coating including zirconium oxide on the flaky substrate, wherein a specific surface area of the glitter pigment is 0.5 cm.sup.2/g or more.

The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.

Frits or frit mixtures with pearlescent pigments for materials, such as ceramic glazes, which are stable above 1000 C.

Provided is an infrared-reflective coating composition that includes: a scale-like infrared-reflective pigment; and a resin component, wherein the pigment includes a layered body that has dielectric layers and a metal thin film layer layered in an alternate fashion with the dielectric layer on the outermost layer; the dielectric layer is formed from one or more materials such as titanium dioxide; the metal thin film layer is formed from a silver compound; a film thickness of the metal thin film layer is 5 to 15 nm; a film thickness of the dielectric layer is ((N)/(4r))20 nm (N=1, 2 or 3) wherein wavelength of incident light is 250 to 980 nm, and r is a refractive index of the dielectric layer; and a proportion of the infrared-reflective pigment having a particle diameter of 1 m or smaller is 10% by volume or smaller.

The invention relates to pearlescent pigments comprising a largely transparent platelet-shaped synthetic substrate having a density ?.sub.S and at least one optically active coating having a density ?.sub.M, the substrate having an average size d.sub.50 from a range from 2.0 ?m to 8.0 ?m and an average height h.sub.S from a range from 40 nm to 110 nm and the total lead content of the pearlescent pigments is ?10 ppm. The invention further relates to a method for producing the pearlescent pigments, and also to the use thereof.

The present invention relates to a process for colouring surfaces, in particular surfaces of foods, with effect pigments, preferably pearlescent pigments, based on flake-form substrates, where (i) the effect pigment is incorporated into a pasty, transparent, water-based material and (ii) the application medium prepared in step (i) is applied to the surface.