发明授权
- 专利标题: Methods of whitening teeth
- 专利标题(中): 牙齿美白方法
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申请号: US09190541申请日: 1998-11-12
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公开(公告)号: US06312666B1公开(公告)日: 2001-11-06
- 发明人: Joel D. Oxman , Matt C. Trom
- 申请人: Joel D. Oxman , Matt C. Trom
- 主分类号: A61K716
- IPC分类号: A61K716
摘要:
Dental whitening compositions are provided that have the capability of undergoing an increase in viscosity in response to an increase in temperature. In a preferred embodiment, the compositions also have the ability to reverse their viscosity in response to a decrease in temperature.
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