Abstract: A pigment with a metallic luster, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 ?m, which is fully enveloped by a metal layer.

Abstract: A pigment with a metallic lustre, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 &mgr;m, which is fully enveloped by a metal layer.

Abstract: The present invention relates to multilayer pigments based on platelet-shaped metal substrates coated with two or more metal oxide layers by a one-pot process in an exclusively aqueous medium. The invention further relates to the use of the multilayer pigments in paints, varnishes, printing inks, including security printing inks, plastics, ceramic materials and cosmetic and for the laser formulations marking of plastics.

Abstract: The present invention relates to multilayer pigments based on platelet-shaped metal substrates coated with two or more metal oxide layers by a one-pot process in an exclusively aqueous medium. The invention further relates to the use of the multilayer pigments in paints, varnishes, printing inks, including security printing inks, plastics, ceramic materials and cosmetic and for the laser formulations marking of plastics.

Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being SiO2 flakes coated with one or more metal oxides and/or metals and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.

Abstract: The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.

Abstract: Platelet-shaped multilayered particles wherein the core includes alumina and/or a mixed phase of alumina and silica, the interlayer includes amorphous silica and the sheath includes iron, the iron being present in elemental form and/or in the form of one or more ferriferous compounds selected from the group consisting of ferdisilicide, maghemite, hematite and magnetite. What is disclosed is a preparative process and the use of the particles in the isolation and separation of organic substances or in enzymatic cleavage reactions and in a magnetically stabilized moving bed.

Abstract: The present invention relates to multilayer pigments based on platelet-shaped metal substrates coated with two or more metal oxide layers by a one-pot process in an exclusively aqueous medium. The invention further relates to the use of the multilayer pigments in paints, varnishes, printing inks, including security printing inks, plastics, ceramic materials and cosmetic and for the laser formulations marking of plastics.

Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being Sio2 flakes coated with one or more metal oxides and/or metals and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.

Abstract: The invention relates to electrically conductive pigments which have, as conductive layer on a substrate, a tin oxide layer doped with phosphorus.

Abstract: The invention relates to a platelet-shaped pigment having high luster and high covering power or high transparency, consisting of a transparent, inorganic, platelet-shaped matrix which can contain an additional constituent, characterized in that the additional constituent is a soluble or insoluble colorant and in that the matrix is coated at least on one side with one or more thin, transparent or semi-transparent reflective layers of metal oxides or metals to achieve the luster.

Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being SiO2 flakes coated with one or more metal oxides and/or metals and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.

Abstract: The invention relates to a platelet-like pigment having high lustre and high covering power or high transparency, consisting of a transparent, inorganic, platelet-like matrix which can contain an additional constituent, characterised in that the additional constituent is a soluble or insoluble colorant and in that the matrix is coated at least on one side with one or more thin, transparent or semi-transparent reflective layers of metal oxides or metals to achieve the lustre.

Abstract: A colored interference pigment having a platelet-shaped layer as substrate, a coating of at least one metal oxide layer and, optionally, a further layer, at least two layers comprising or consisting of colorants.

Abstract: The present invention relates to pigment mixtures consisting of at least two components, component A being SiO2 flakes coated with one or more metal oxides and/or metals and component B being platelet-shaped, acicular or spherical colorants or fillers, and to their use in particular in varnishes, paints, printing inks, powder coating materials, plastics and cosmetic formulations.

Abstract: The present invention relates to rare earth metal sulfide or oxysulfide pigments and yttrium sulfide or oxysulfide pigments based on platelet-shaped substrates.

Abstract: The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.

Abstract: Multilayer pearl luster pigment based on an absorbing platelet-shaped substrate which is coated with alternating layers of a material of low refractive index and a material of high refractive index, or with a metal, the difference in the refractive indices being at least 0.1.

Abstract: Multilayer interference pigment having a blue mass tone, comprised of a platelet-shaped carrier material and a coating which is formed from (i) a first layer of a colorless, transparent metal oxide of high refractive index, (ii) a second layer of colorless, transparent metal oxide of low refractive index and (iii) a third, outer layer of cobalt aluminate, cobalt-containing glass, tungsten bronzes or cobalt oxide, it also being possible for the first and third layer to be swapped around.

Abstract: A pale electrically conductive pigment consisting of a substrate and an electrically conductive layer formed of phosphorus- and/or fluorine-doped tin oxide. There may be an interlayer disposed between the substrate and the conductive layer.