| http://www.w3.org/ns/prov#value | - A bis-formate coupled block polymer comprising a bis-formate radical of the formula: ##STR17## wherein c is a number at least equal to 2, and R'''' is C2-8 alkylene, phenylene, biphenylene, bis(phenylene)-C1-8 oxyalkylene); a polyfunctional quinone-coupled polyphenoxy radical of the formula: ##STR18## wherein independently each --OEO-- is a divalent quinone residue, E is a divalent arene radical,
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