发明授权
- 专利标题： Dental glass powders comprising spherical glass particles of specific particle size distribution
- 专利标题（中）： 牙科玻璃粉
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申请号： US09520488申请日： 2000-03-08
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公开(公告)号： US06623856B1公开(公告)日： 2003-09-23
- 发明人: Toivo T. Kodas , Mark J. Hampden-Smith , Quint H. Powell , James H. Brewster , Daniel J. Skamser , Klaus Kunze , Paolina Atanassova , Paul Napolitano
- 申请人： Toivo T. Kodas , Mark J. Hampden-Smith , Quint H. Powell , James H. Brewster , Daniel J. Skamser , Klaus Kunze , Paolina Atanassova , Paul Napolitano
- 主分类号： B32B516
- IPC分类号： B32B516
摘要：
Dental glass powders, methods for producing the powders and dental compositions including the glass powders. The powders preferably have a well-controlled particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also includes dental filler and restorative compositions that include the glass powders.
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