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P&G Earns Patent



Published November 14, 2005
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Patent No. US 6,528,471 B1: Italy-based researchers for P&G earned a patent for a fabric treatment process involving an aqueous bath containing water, a dissolved conventional laundry detergent and a liquid composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co-builder made from a polycarboxylate with a phosphono end group.



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