| 发明名称 |
ORTHODONTIC BRACKETS MADE FROM ION EXCHANGE STRENGTHENED GLASS |
| 摘要 |
Orthodontic brackets are made from ion exchange strengthened glass. In a preferred embodiment, the glass is a lithium alumino silicate strengthened with sodium ions. |
| 申请公布号 |
CA1288264(C) |
申请公布日期 |
1991.09.03 |
| 申请号 |
CA19870549726 |
申请日期 |
1987.10.20 |
| 申请人 |
JOHNSON & JOHNSON DENTAL PRODUCTS COMPANY |
发明人 |
DELUCA, ROBERT D.;PANZERA, CARL;FORBES JONES, ROBIN M. |
| 分类号 |
A61C7/14;A61C7/12;A61C7/28;A61K6/06;C03C21/00 |
主分类号 |
A61C7/14 |
| 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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