Company News, Patents

Detergent Builder and Composition

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By: TOM BRANNA

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Patent No. US 7,393,821 B2. Nippon Shokubai Co., Ltd., Osaka-shi, Japan, has been awarded a patent covering a detergent composition comprised of usual detergent additives, a surfactant and a detergent builder. The detergent builder is comprised of a copolymer obtained by copolymerization of monomer components containing a polyalkyleneimine unsaturated mono-mer and other monomers, wherein said other monomers comprise an unsaturated carboxylic acid monomer and wherein said polyalkyleneimine unsatu...

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