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US 6,508,876 B1Granted
Colored interference pigment
AssigneeMerck Patent GmbH
InventorsKlaus Bernhardt, Hans-Dieter Brückner, Karl Osterried, Reiner Vogt
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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.
Claims16
A colored interference pigment comprising a platelet-shaped substrate layer, at least one coating of at least one metal oxide layer and, optionally, one or more further layers, at least two layers each comprising at least one colorant, the colorant being in particle form in the layers.
Dependencies are inferred from the claim text.