Methods for whitening teeth

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United States of America Patent

PATENT NO 9642687
SERIAL NO

13150392

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Abstract

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In a tooth whitening method, a whitening composition is applied to at least one tooth. The whitening composition is maintained on the at least one tooth for a first time period. After the first time period, a light radiation is directed toward the at least one tooth for a second time period. The first time period has a duration greater than 50% of a total duration of the first and second time periods. The whitening composition is removed from the at least one tooth.

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Patent Owner(s)

  • THE PROCTER & GAMBLE COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sagel, Paul Albert Maineville, US 179 2058

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