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US5071640A Cosmetic composition containing a polyoxyethylenated non-ionic surface-active agents with two lipophilic chains 失效
含有两个脂肪族链的聚氧乙烯非离子表面活性剂的化妆品组合物

Cosmetic composition containing a polyoxyethylenated non-ionic
surface-active agents with two lipophilic chains
摘要:
Non-ionic products of the formula:R--X--[C.sub.2 H.sub.3 (OCH.sub.2 CH.sub.2).sub.n(OH)--CH.sub.2 --Y--R'in which R and R' denote alkyl or alkenyl radicals having from 6 to 20 carbon atoms, the sum of the numbers of carbon atoms in R and R' being 24 to 32; X denotes an oxygen atom, a sulphur atom or a sulphoxide group; Y denotes a sulphur atom, a sulphoxide group or a methylene group (if Y denotes methylene, the sum of the numbers of carbon atoms in R and R' is 22 to 30); and n denotes an integer or decimal number from 1 to 40 are disclosed. These non-ionic compounds are suitable for use in pharmaceutical or cosmetic applications, in particular for the care of the skin or hair.
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