| http://www.w3.org/ns/prov#value | - A cationic surfactant of the formula: , wherein R is an alkyl or alkenyl group containing 11 carbon atoms, R1 and R2 independently represent hydrogen or a C1-4 alkyl group, R3 is a C1-4 alkyl group, R4 is hydrogen or a methyl group, A is a linear or branched C2-6 alkylene group, n is a number of 1 to 25 and X is halogen or alkyl sulfate. 2.
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