Appeal No. 2005-1076
Application No. 10/047,941
the molar ratio n:(x or y) is between about 200:1 and 1:200;
and
the molar ratio q:r is between 1:99 and 99:1;
wherein said polymer is biocompatible before and upon
biodegradation.
147. A polymer composition comprising:
(a) at least one biologically active substance, and
(b) a polymer having the recurring monomeric units shown
in formula I or II:
wherein:
X is -O- or -NR'-, where R' is H or alkyl;
M1 and M2 are each independently (1) a branched or straight
chain aliphatic group having from 1-20 carbon atoms; or
(2) a branched or straight chain, oxy-, carboxy- or
amino-aliphatic group having from 1-20 carbon atoms;
-2-
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