| 发明名称 |
Expandable/contractable composition for surgical or dental use |
| 摘要 |
A composition, suitable for surgical or dental use, which can expand and/or contract in at least one direction without similar expansion or contraction in another direction, comprises an inner and an outer portion, the portions differing in their expansion properties and/or the extent to which they are prestressed.
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| 申请公布号 |
US7210935(B2) |
申请公布日期 |
2007.05.01 |
| 申请号 |
US20040832484 |
申请日期 |
2004.04.26 |
| 申请人 |
DENTAL ROOT FILLING PRODUCTS LTD |
发明人 |
HIGHGATE DONALD JAMES;LLOYD JONATHAN ANTHONY |
| 分类号 |
A61C5/02;A61C5/04;A61F2/12;A61K6/083;A61L31/14 |
主分类号 |
A61C5/02 |
| 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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