发明名称 |
Translucent apatite glass-ceramics |
摘要 |
Translucent apatite glass ceramic contains 45.0-70.0 wt.% silica (SiO2), 5.0-22.0 wt.% alumina (Al2O3), 0.5-6.5 wt.% phosphorus pentoxide (P2O5), 3.0-8.5 wt.% potassium oxide (K2O), 4.0-13.0 wt.% sodium oxide (Na2O), 1.5-11.0 wt.% calcium oxide (CaO) and 0.1-2.5 wt.% fluoride (F) and the main crystal phase is formed by apatite crystals. Also claimed are (a) a method of producing the glass ceramic; and (b) dental material and moulded dental products containing the glass ceramic. |
申请公布号 |
EP0885855(A3) |
申请公布日期 |
1999.07.28 |
申请号 |
EP19980250186 |
申请日期 |
1998.05.28 |
申请人 |
IVOCLAR AG |
发明人 |
FRANK, MARTIN, DIPL.-ING.;DRESCHER, HELGA;HOELAND, WOLFRAM, DR., PROF.;RHEINBERGER, VOLKER, DR. |
分类号 |
A61C5/08;A61K6/027;A61K6/033;A61K6/06;C03C10/02;C03C10/06;C03C10/16;(IPC1-7):C03C10/16 |
主分类号 |
A61C5/08 |
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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