| http://www.w3.org/ns/prov#value | - U.S. Pat. No. 5,314,954, the entire disclosure of which is incorporated herein by reference, describes aromatic polyester-polystyrene block copolymers produced by the polycondensation of styrene polymers having terminal functional groups, e.g. hydroxy, amino or carboxyl groups, with an excess of aromatic dicarboxylic acid dihalides and then subjecting the resulting condensation product to interfac
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