| http://www.w3.org/ns/prov#value | - ected from the group consisting of quaternary ammonium compounds of the formula ##STR1## where R.sup.1 is an alkyl group having an averageof 8 to 23 carbon atoms, R.sup.2 is an alkyl group of 1 to 4 carbon atoms, R.sup.3 is R.sup.1 or R.sup.2, R.sup.4 is R.sup.2 or a benzyl group, R.sup.5 is (CH.sub.2 CH.sub.2 O).sub.n H where n is an integer of from 1 to 50, and A is an anion wherein thefirst for
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