Patent No.US 7,022,314 B2:Wm.Wrigley Jr.Company,Chicago,has patented anti-plaque emulsions and products containing this formula.The company's anti-plaque chewing gums comprise a water insoluble portion and a water-soluble portion including an aqueous emulsion comprising a mixture of water,an emulsifier,triclosan and cetylpyridinium chloride.
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