Appeal No. 2005-1076
Application No. 10/047,941
Y is -O-, -S- or -NR'-;
L is a branched or straight chain aliphatic group, a cyclic
aliphatic group, a divalent aryl group, or a polymeric
group;
R is H, alkyl, alkoxy, aryl, aryloxy, heterocyclic or
heterocycloxy;
the molar ratio of x:y is about 1;
the molar ratio n:(x or y) is between about 100:1 and 1:100;
and
the molar ratio q:r is between about 1:99 and 99:1;
wherein said polymer is biocompatible before and upon
biodegradation.
-3-
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