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Patent Review

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By: TOM BRANNA

Editor

Solid Laundry Detergent Patented by P&G U.S. Patent No. 7,700,539 B2; P&G has patented a solid laundry detergent composition. It is comprised of a detersive surfactant, zeolite builder, phosphate builder, carbonate and cellulosic polymer. The composition is in free-flowing particulate form and comprises at least two separate particulate components. The first component comprises an anionic detersive surfactant; carbonate, zeolite builder, phosphate builder and cellulosic polymer. ...

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