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Tooth-Targeted Whitening

November 14, 2005

Patent No. US 6,558,654 B2: A Port Jefferson Station, NY-based researcher patented a single-package system to whiten teeth comprising a pre-mixed composition with a bleaching agent, carrier, alkaline additive and acryl-ate/α, β-ethylenically unsaturated di-carboxylic acid or anhydride copolymer.
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