Strip for whitening tooth surfaces
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United States of America Patent
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-
Jan 7, 2003
Grant Date -
Dec 12, 2002
app pub date -
Feb 22, 2002
filing date -
Mar 12, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.
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