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P&G Patents Detergent

November 14, 2005

l Patent No. US 6,528,476 B1: P&G re-searchers patented a hand dishwashing liquid detergent with increased suds volume and suds retention comprising a block polymeric suds stabilizer (cationic group-containing units and additional building block units), a detersive surfactant, a diamine, balance carriers and additional adjunct ingredients.

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