发明名称 |
X-ray Opaque Barium-Free Glasses and Uses Thereof |
摘要 |
Zirconium-containing BaO- and PbO-free X-ray opaque glasses having a refractive index nd of about 1.54 to about 1.58 and a high X-ray opacity with an aluminum equivalent thickness of at least about 500% are provided. Such glasses are based on a SiO2—B2O3—Al2O3—R2O—RO—La2O3—ZrO2 system with optional additions of SnO2. Such glasses may be used, in particular, as dental glasses or as optical glasses.
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申请公布号 |
US2011218268(A1) |
申请公布日期 |
2011.09.08 |
申请号 |
US201113025686 |
申请日期 |
2011.02.11 |
申请人 |
SCHOTT AG |
发明人 |
RITTER SIMONE MONIKA;HOCHREIN OLIVER;PICHLER-WILHELM SABINE |
分类号 |
A61K6/083;C03C3/095;C03C3/097;C03C13/02 |
主分类号 |
A61K6/083 |
代理机构 |
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地址 |
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