The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment.

A LiDAR reflecting dark colored pigment includes a core layer formed from a reflecting material and a first layer formed from a first absorber material or a first dielectric material extending across the core layer. A second layer formed from a second absorber material different than the third absorber material extends across the first layer and a third layer formed from a third absorber material or a second dielectric material extends across the second layer. The third absorber material is different than the second absorber material. The LiDAR reflecting dark colored pigment reflects less than 10% of incident visible electromagnetic radiation and more than 60% of incident near-IR electromagnetic radiation with wavelengths between and including 850 nm and 950 nm for all incident angles of the visible and near-IR electromagnetic radiation between and including 0 and 45. A color reflected by the multilayer stack has a lightness in CIELAB color space less than or equal to 40.

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.

A multilayer thin film structure having a reflective core particle, a dielectric layer directly encapsulating the reflective core particle, an absorber layer directly encapsulating the dielectric layer; an outer layer encapsulating the absorber layer. The multilayer thin film structure has a hue shift of less than 30? in the Lab color space when viewed at angles from 0? to 45?.

A process for the preparation and colouring of pulverulent foods which is distinguished by the fact that uncoloured pulverulent foods are mixed with effect pigments based on flake-form substrates.

The present invention relates to interference pigments based on multicoated flake-form substrates which have on the surface of the substrate a layer sequence comprising (A0) optionally a high-refractive-index coating consisting of a layer of TiO.sub.2, (A) a high-refractive-index coating consisting of a mixture of TiO.sub.2 and Fe.sub.2O.sub.3, which may optionally be doped with one or more further oxides, (B) a high-refractive-index layer consisting of SnO.sub.2, (C) a high-refractive-index coating which absorbs in the visible wavelength region, and optionally (D) an outer protective layer, and to the use thereof, in particular in paints, coatings, industrial coatings, automobile paints, automotive refinish paints, coil coating, powder coatings, printing inks, plastics, pigment pastes, pigment preparations and in dry preparations, such as, for example, granules.

An article including at least one first metallic layer, at least one dielectric layer, and at least one second metallic layer is disclosed. The at least one dielectric layer can include at least one of (i) a photo-initiator, (ii) an oxygen inhibition mitigation composition, (iii) a leveling agent, and (iv) a defoamer. The article can be in the form of a foil or pigment flake, and can also include a magnet containing layer.

The present invention is related to brilliant black pigments comprising a flaky aluminum oxide substrate having 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.

Disclosed herein is a flaky diffractive effect pigment having a diffractive structure and comprising a flake of a highly reflective material having a first major interface and opposed to this first interface a second major interface, and at least one side surface and directly adjacent on one or of both of these major interfaces a layer of a semiconducting material having a bandgap of 0.7 to 2.5 eV. The diffractive effect pigment may be further coated with a coating which is optically non-active in the visible wavelength region.

An article including at least one first metallic layer, at least one dielectric layer; and at least one second metallic layer is disclosed. The at least one dielectric layer can include at least one of (i) a photo-initiator, (ii) an oxygen inhibition mitigation composition, (iii) a leveling agent, and (iv) a defoamer.