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Kao Corp. Patents

Published November 14, 2005
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l Patent No. US 6,596,685 B2: Kao Corporation, Tokyo, Japan, was awarded a fabric softener patent which comprises a compound having one or more C8-36 hydrocarbon groups and two or more groups selected from an amino group and a quaternary ammonium group, an anionic surfactant having a C8-36 hydrocarbon and a nonionic surfactant.

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