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US 6,187,429 B1Granted
Decorative ceramic color layers applied to glass or glass ceramic substrates
AssigneeSchott-Glasswerke
InventorsWaldemar Weinberg, Herwig Scheidler
Life of this patent
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Abstract
For obtaining firmly adhering decorative layers of ceramic colors applied to glass or glass ceramic substrates, prior to stoving, optically inactive inorganic substances, e.g., mica, which are chemically inert with respect to the base enamel and the pigments are added to the base enamel together with the pigments in fine-particle form, e.g., 20-40 μm, in a quantity of 1-20 wt. %.
Claims13
A colored substrate composition comprising:
- a glass or a glass ceramic substrate and at least one decorative ceramic color layer applied thereto,
- wherein said ceramic color layer comprises at least one pigment, at least one glass and uncoated mica flakes, said uncoated mica flakes being present in said ceramic color layer in an amount of 1-20 wt. %.
A colored substrate composition comprising:
- a glass or glass ceramic color substrate, and at least one decorative ceramic layer applied thereto,
- wherein said ceramic color layer comprises at least one pigment, at least one glass and a chemically inert, elastic inorganic substance and said elastic inorganic substance consists of mica flakes in an amount of 1-20 wt. %.
Dependencies are inferred from the claim text.