Glass-stable colored pigments

Details Glass-stable colored pigments Glass-stable colored pigments

1991-03-07

1992-04-21

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106442, 106459, C04B 1420

Patent

active

051064197

ABSTRACT:
Colored pigments having an improved stability in decorative colors, engobes, glazes, and enamels, based on platelet-type substrates coated with metal oxides, in which the coating is free from alkaline earth metal oxides and contains a colored metal oxide or metal hydroxide and at least 10% by weight of aluminum oxide, are outstandingly suitable for pigmenting glazes and enamels.

REFERENCES:
patent: 4435220 (1984-03-01), Watanabe et al.
patent: 4867793 (1989-09-01), Franz et al.
patent: 4959090 (1990-09-01), Reinherz

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