| http://www.w3.org/ns/prov#value | - The third, and last, type of additives consists of groups of formulae 2, 4, and 7, in which each of R2, R9, and R10 independently is an alkyl group containing from 1 to 3 carbon atoms; R24 is an alkyl group containing from 1 to 4 carbon atoms; c is in the range of from 0 to about 50; x is 0; y is in the range of from about 5 to about 25; and z is in the range of from about 0 to about 25.
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