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.
BASF Awarded Patent For Washing Preparation
Published November 15, 2005
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