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Abstract

The present invention relates to the detergent composition, containing (a) a nonionic surfactant represented by the formula (1); and (b) a sulfuric acid ester salt represented by the formula (2):

description='In-line Formulae' end='lead'R—O-(EO)_m—(PO)_n-(EO)_m′—H  (1)description='In-line Formulae' end='tail'

wherein, R represents a hydrocarbon group having 6 to 24 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m=0.1 to 25; m′=0 to 24.9; m+m′=0.5 to 25; and n=0.1 to 10; with the proviso that (EO)_m, (PO)_n, and (EO)_m′ are arranged in a block addition mode in this order;

description='In-line Formulae' end='lead'R¹—O—(PO)_x-(EO)_y—SO₃M  (2)description='In-line Formulae' end='tail'

wherein, R¹ represents a hydrocarbon group having 6 to 24 carbon atoms; x=0.1 to 10; y=0 to 30; (PO)_x and (EO)_y are arranged in any order in any addition mode, being a block addition or a random addition, M is a counter ion.

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First Claim