| http://www.w3.org/ns/prov#value | - wherein a is an integer such that the hydrophobe represented by (C3H6O) has a molecular weight of approximately 950 to 4000 daltons, preferably about 1200 to 3500 daltons, and b is an integer such that the hydrophile portion represented by (C2H4O) constitutes approximately 50% to to 95% by weight of the compound.
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