| http://www.w3.org/ns/prov#value | - (d) from about 2 to about 15% by weight, preferably from about 3 to about 6% by weight of a compound of the formula ##STR1## wherein R is a saturated C8 -C12 alkyl group, and x is in the range of 8 to 12, and having a cloud point (1%) in the range of from about 45??? to about 65??? C. The C8-12 saturated alkyl group can be, e.g. octyl, nonyl, or dodecyl, with nonyl preferred.
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