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Detergent with Perfume Capsules from P&G

November 22, 2005

Patent No. US 6,790,814 B1: Procter & Gamble Company, Cincinnati, OH, patented a detergent additive delivery particle comprising a core particle of perfume, an intermediate coating material of hydrophobic oil and an external encapsulating coating with a non-tacky surface comprising one or more at least partially wash-soluble or dispersible compounds.
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