发明授权
- 专利标题: Photochromic dental material
- 专利标题(中): 光致变色牙科材料
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申请号: US648810申请日: 1996-05-16
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公开(公告)号: US5698020A公开(公告)日: 1997-12-16
- 发明人: Ulrich Salz , Peter Burtscher , Volker Rheinberger , Heinz Durr
- 申请人: Ulrich Salz , Peter Burtscher , Volker Rheinberger , Heinz Durr
- 申请人地址: LIX
- 专利权人: Ivoclar AG
- 当前专利权人: Ivoclar AG
- 当前专利权人地址: LIX
- 优先权: DEX19520016.0 19950526
- 主分类号: C07D487/04
- IPC分类号: C07D487/04 ; A61K6/00 ; A61K6/02 ; A61K6/06 ; A61K6/08 ; A61K6/083 ; C08F2/44 ; C08K5/34 ; C08K5/3432 ; C08K5/3462 ; C09K9/00 ; C09K9/02 ; C07D471/04 ; C09B57/00
摘要:
The invention relates to dental materials which contain a photochromic material such as for example a photochromic dye, a photochromic glass, a photochromic ceramic and/or a photochromic glass ceramic and which can be visually distinguished from natural tooth material after irradiating with light, but which assume their original colour again after a certain period has expired.
公开/授权文献
- US5301402A Automated button closing machine 公开/授权日:1994-04-12
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