Patents

Sip & Smile: Reducing Red Wine Stains from Teeth

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By: TOM BRANNA

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• US Patent No. 9,987,203 B1; Unwined, Inc., Bunnell, FL, has patented a method of improving the cosmetic appearance of human teeth that entails contacting the teeth with a whitening powder composition after ingesting a chromogenic, tannin-containing food or beverage; and allowing the whitening powder to dissolve thereby reducing staining of the teeth caused by tannins and/or chromogens. The whitening composition is comprised of abrasive powder (silica compound), a buffering powder and comp...

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