发明名称 |
Röntgenopakes bariumfreies Glas und dessen Verwendung |
摘要 |
Zirconium-containing BaO- and PbO-free X-ray opaque glasses having a refractive index nd of about 1.57 to about 1.61 and a high X-ray opacity with an aluminum equivalent thickness of at least about 400% are provided. Such glasses are based on a SiO2—Al2O3—La2O3—ZrO2—Cs2O system with additions of Li2O, Na2O, ZnO and/or Ta2O5. Such glasses may be used, in particular, as dental glasses or as optical glasses. |
申请公布号 |
DE102009008953(B4) |
申请公布日期 |
2010.12.30 |
申请号 |
DE20091008953 |
申请日期 |
2009.02.13 |
申请人 |
SCHOTT AG |
发明人 |
RITTER, SIMONE MONIKA;HOCHREIN, OLIVER;PICHLER-WILHELM, SABINE |
分类号 |
C03C3/095;A61K6/02;A61K6/083;C03C3/083;C03C4/08 |
主分类号 |
C03C3/095 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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