Patents

Fabric Color Maintenance Product Patented by P&G

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By: TOM BRANNA

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US Patent No. 8,728,172 B2; The Procter & Gamble Company has patented a method of delivering a color maintenance and/or rejuvenation benefit to fabric. It entails a fabric care additive composition having an acidic pH comprising, based on total composition weight, from about 5% to about 20% of a cationic polymer, said fabric care additive composition further comprising a cationic surfactant, wherein said cationic polymer has a charge density of from about 0.05 meq/g to about 25 meq/g at a p...

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