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Abstract

A (poly)alkylene glycol higher alkyl ether derivative composition characterized by comprising 30-90 mol. % of (B1) (poly)alkylene glycol higher alkyl ether derivative and 70-10 mol. % of (B2) (poly)alkylene glycol higher alkyl ether derivative, respectively having a methyl group for R.sup.1 and an alkyl group of not less than two carbon atoms for R.sup.1 in the general formula (1) representing the derivatives: ##STR1## (wherein R.sup.1 and R.sup.2 represent alkyl groups whose total number of carbon atoms is in the range of 7-29, the number of carbon atoms of R.sup.2 is larger than the number of carbon atoms of R.sup.1, A represents a lower alkylene group, n represents a real number in the range of 1-300 on average, x represents 0 or 1, y represents a real number in the range of 1-10 on average, and R.sup.3 represents an optionally substituted organic residue of 1-60 carbon atoms [excluding the carbon atoms of the substituent]) and a deterging agent, a lubricating agent, or a dermatological medicine for external use containing the (poly)alkylene glycol higher alkyl ether derivative composition. The composition possesses such characteristic features as containing no oil-soluble component of low molecular weight, emitting odor sparingly, exhibiting a low stimulating property, having no foaming property, abounding in penetrating force, allowing thorough separation of the foam from a deterged article, and enjoying such low viscosity as to allow great ease of handling.

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First Claim