GLASS COMPOSITION AND DENTAL COMPOSITION
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Sep 11, 2023
filing date -
Sep 21, 2022
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Abstract
A glass composition contains cesium (Cs), at least one of potassium (K) or sodium (Na), and silicon (Si), wherein a content of the cesium (Cs) in terms of oxide is 9% by mass or more, wherein when the potassium (K) is contained in the glass composition, a content of the potassium (K) in terms of oxide is 5% by mass or more, wherein when the sodium (Na) is contained in the glass composition, a content of the sodium (Na) in terms of oxide is 1% by mass or more, and wherein the glass composition does not contain barium (Ba) or contains 0.5% by mass or less of barium (Ba) in terms of oxide.
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