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BASF Awarded Patent For Washing Preparation

Published November 15, 2005
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Patent No. US 6,710,024 B2: BASF AG, Ludwigshaften, Germany, patented a detersive composition containing a water-soluble or water-dispersible block copolymer and at least two polymer blocks with different monomer compositions and an anionic, cationic, zwitterionic or nonionic surfactant.

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