| 发明名称 |
Stain-resistant elastomeric orthodontic device. |
| 摘要 |
<p>An elastomeric orthodontic device such as a ligature, rotation wedge or force module is made of a composition selected from one or more classes of materials, such that the device has certain physical properties useful for orthodontic treatment and also is resistant to staining by common foods and beverages such as mustard, tea and coffee. <IMAGE></p> |
| 申请公布号 |
EP0498558(A1) |
申请公布日期 |
1992.08.12 |
| 申请号 |
EP19920300739 |
申请日期 |
1992.01.29 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
HAMMAR, JAMES W.;NAVE, MIRIAM D. |
| 分类号 |
A61C7/20;A61C7/30;A61K6/08 |
主分类号 |
A61C7/20 |
| 代理机构 |
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代理人 |
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| 地址 |
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