Glaze composition and antifouling ceramic ware
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United States of America Patent
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Sep 11, 2007
Grant Date -
Aug 5, 2004
app pub date -
Jul 1, 2002
filing date -
Jul 5, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A glaze composition can be used to provide a glaze layer having excellent antifouling performance and visual beauty. The glaze composition contains a glaze forming material, which has a composition determined such that a baked product obtained by baking the glaze composition comprises 55.0 to 67.0 wt % of SiO.sub.2; 8.0 to 11.0 wt % of Al.sub.2O.sub.3; 2.0 to 8.0 wt % of SnO.sub.2; 15.0 to 21.0 wt % of a divalent metal oxide; and 4.0 to 6.0 wt % of a monovalent metal oxide, with respect to a total weight of the baked product. When a glaze layer is formed by use of this glaze composition, it resists contamination. Even when a dirt deposits on the glaze layer, the dirt can be easily removed from the glaze layer. In addition, the glaze composition can provide a beautiful semi-opaque glaze layer with luster and a reduction in pore generation amount.
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