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US 10,214,651 B2Granted
Pigment/frit mixtures
AssigneeMerck Patent GmbH
InventorsLukas Hamm, Carsten Handrosch, Nicole Nelischer
Life of this patent
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Abstract
Frits or frit mixtures with pearlescent pigments for materials, such as ceramic glazes, which are stable above 1000° C.
Claims19
A pigment/frit mixture, comprising a mixture of a pearlescent pigment and a frit in the form of particles, wherein the proportion of pearlescent pigment in the mixture is 5-95% by weight and the frit comprises at least 5% by weight of Al2O3, based on the weight of the frit, wherein the pearlescent pigment is based on a flake substrate and the ratio of the thickness of the flake substrate to the size of the frit particles is from 0.01 to 0.2.
Dependencies are inferred from the claim text.