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US 11,897,821 B2Granted
Ceramic product
AssigneeSaga Prefecture
InventorAtsunori Shiraishi
Life of this patent
Estimating the term…
Abstract
A ceramic product includes a glass layer having 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look. The glass layer includes 40 wt % to 60 wt % of silicon dioxide, 15 wt % to 35 wt % of boron oxide, 18 wt % or less of one or more alkali metal oxides selected from the group consisting of lithium oxide, sodium oxide, and potassium oxide, 4 wt % or less of one or more alkali metal oxides selected from lithium oxide and sodium oxide, and 5 wt % or more of potassium oxide.
Claims7
A ceramic product comprising:
- a product made of ceramic, and
- a glass layer applied onto the product and comprising 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look,
- wherein the glass layer further comprises 40 wt % to 60 wt % of silicon dioxide,
- 15 wt % to 35 wt % of boron oxide,
- 18 wt % or less of alkali metal oxides consisting of lithium oxide, sodium oxide, and potassium oxide,
- 4 wt % or less of alkali metal oxides consisting of lithium oxide and sodium oxide, and
- 5 wt % or more of potassium oxide.
4 more elements
Dependencies are inferred from the claim text.