Anionic alkoxylate surfactant
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United States of America Patent
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Jul 8, 2003
Grant Date -
May 23, 2002
app pub date -
Aug 9, 2001
filing date -
Aug 8, 1997
priority date (Note) -
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Abstract
This invention relates to an anionic alkoxylate surfactant of formula (I), where R is a di- or tri-unsaturated C.sub.4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opposite geometric isomerism; m is 0 or 1; Y is O or NR'; each R' is independently selected from hydrogen, C.sub.1-6 alkyl and phenyl; n is 1 to 50; and OX is an anionic group selected from the group consisting of acids or salts of sulfate, phosphate, sulphosuccinate, succinate, carbomethyl, maleate, carboxyethyl, alkenylsuccinate, phthalate, sulphoethyl, 3-sulpho-2-hydroxypropyl, sulphopropyl, oxalate and citrate. ##STR1##
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