Use of ceramics in dental and orthodontic applications |
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| 申请号 | EP13180442.9 | 申请日 | 2004-01-13 | 公开(公告)号 | EP2684556A3 | 公开(公告)日 | 2015-09-02 |
| 申请人 | 3M Innovative Properties Company; | 发明人 | Cummings, Kevin M.; Rolf, Jacqueline C.; Rosenflanz, Anatoly Z.; Rusin, Richard P.; Swanson, Jerome E.; | ||||
| 摘要 | The present invention relates to an article comprising at least one of a glass or glass-ceramic comprising Al 2 O 3 and at least one of REO or Y 2 O 3 , wherein at least 60 percent by weight of the glass or glass-ceramic collectively comprise the Al 2 O 3 and the at least one of REO or Y 2 O 3 , and wherein the glass or glass-ceramic contains not more than 20 percent by weight SiO 2 and not more than 20 percent by weight B 2 O 3 , based on the total weight of the glass or glass-ceramic. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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