| http://www.w3.org/ns/prov#value | - ???OH wherein n is an integer in the range of 2 to about 500; and (iv) 0 to about 20 mole %, based on the total repeating units, of residues of a branching monomer having 3 or more functional groups wherein said functional groups are hydroxyl, carboxyl, or a combination thereof. 19.
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