CERAMIC PIGMENT Russian patent published in 2010 - IPC C03C1/04 

FIELD: chemistry.

SUBSTANCE: invention relates to compositions of ceramic pigments used in colouring glase and glass. The ceramic pigment consists of the following components, wt %: Ga₂O₃ 52.0-58.0; CaO 12.0-13.0; Sm₂O₃ 27.0-31.0; Na₂O 3.0-4.0. The pigment is sprayed onto the surface of ceramic plates over a glase suspension or on the surface of glass plates. After thermal treatment the surface of the articles acquires a cream colour with a yellowish tinge.

EFFECT: low temperature for synthesis of the pigment while retaining its alkali resistance.

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