发明名称 |
Hochtransparentes randgefärbtes Glas. |
摘要 |
<p>A clear glass, with the substantial absence of color in transmittance, and with an attractive, bright, pure azure edge coloration is achieved in a glass having greater than 87 percent, preferably greater than 90 percent, luminous transmittance by using very small amounts of iron oxide as the sole essential colorant, with the ratio of iron in the ferrous state to total iron being at least 0.4.</p> |
申请公布号 |
DE69101088(T2) |
申请公布日期 |
1994.07.14 |
申请号 |
DE1991601088T |
申请日期 |
1991.06.25 |
申请人 |
PPG INDUSTRIES, INC., PITTSBURGH, PA. |
发明人 |
HEITHOFF, ROBERT BERNARD, LAVALE, MARYLAND 21502 |
分类号 |
C03B5/187;C03B18/12;C03B18/16;C03C3/078;C03C3/087;C03C4/02;(IPC1-7):C03C3/087 |
主分类号 |
C03B5/187 |
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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