| http://www.w3.org/ns/prov#value | - Particularly preferred amongst these are the Poly-Tergent??? CS-1 composition which is believed to being a composition according to the formula above wherein R is a C6 -C18 alkyl group, X and Y are independently H, CH3 or the succinic acid radical with at least one succinic acid radical being present and where Z is H.
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