Patents

Dentifrice Has Zinc Antibacterial Effects

Zinc oxide and zinc citrate cited in US Patent awarded to Colgate.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 10,342,750 B2 (Michael Prencipe, Yun Xu, Xiao Yi Huang, Steven Fisher, Betty Won, Lyndsay Schaeffer-Korbylo); Colgate-Palmolive Company has patented an oral care composition having synergistic zinc antibacterial effects. It is comprised of zinc oxide and zinc citrate. The zinc citrate is about 0.5% by weight of the composition, and the zinc oxide is about 1% by weight of the composition. The composition comprises a fluoride source selected from stannous fluoride, sodium fluoride, p...

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