| http://www.w3.org/ns/prov#value | - According to a further aspect of the invention, a process is provided whereby the polyesters may be copolymerized carefully to provide said copolyesters containing, by weight of the copolyester, about 60-98% of (1) the above polyester with about 2 to 40% consisting essentially of structural units (2) of the formula [--C(O)--Q--O--]n, wherein n is an integer, and wherein Q is such that the hydroxy
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