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Patches for teeth whitening

  • US 20030198606A1
  • Filed: 05/27/2003
  • Published: 10/23/2003
  • Est. Priority Date: 03/17/2000
  • Status: Active Grant
First Claim
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1. A dry type patch for tooth whitening, comprising a matrix type of an adhesive layer and a backing layer, wherein the adhesive layer contains a peroxide as a tooth whitening agent along with a stabilizer for the peroxide and a hydrophilic glass polymer as a base polymer, whereby the adhesive layer provides a strong adhesion to teeth while releasing the tooth whitening agent when hydrated on the enamel layers of teeth.

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