Patents

Colgate Patents Electrochemical Tooth Whitening Composition

The electrolyte source is a conductive salt.

US Patent No. 12,151,007 B2 (Nihal Dogu, Leighton Davies-Smith);  Colgate-Palmolive Companyhas patented a tooth whitening kit that is comprised of:

•  a dental device comprising a positive electrode and a negative electrode;

• a single component whitening gel comprising:

• a liquid carrier comprising water;

• a bleaching agent;

• a thickener composition comprising a non-ionic compound, the non-ionic compound comprising hydroxyethyl cellulose;

• a surfactant (cocoamidopropyl betaine);

• a humectant comprising glycerin; and

•  electrolyte source comprising a conductive salt, wherein the conductive salt is selected from the group consisting of sodium chloride or potassium chloride.

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