Patent ID: 8461372

Claim:
An amine of the formula G: Wherein: (i) R″ is alkyl or aryl, arylalkyl, (ii) R″ is a biologically active substance, or (iii) —OR″ is each Y is independently selected from the following, oriented as indicated: —COCH 2 O— (glycolic moiety) —COCH(CH 3 )O— (lactic moiety) —COCH 2 OCH 2 CH 2 O— (dioxanone moiety) —COCH 2 CH 2 CH 2 CH 2 CH 2 O— (caprolactone moiety) —CO(CH 2 ) y O— where y is one of the numbers 2, 3, 4, and 6-24; or —CO(CH 2 CH 2 O) m CH 2 O—; where m is integer between 2-24 inclusive; p is independently selected from 0 to 6 inclusive, wherein at least one occurrence of p is >1; and each X is independently selected from the following, oriented as indicated: —OCH 2 CO— (glycolic ester moiety) —OCH(CH 3 )CO— (lactic ester moiety) —OCH 2 CH 2 OCH 2 CO— (dioxanone ester moiety) —OCH 2 CH 2 CH 2 CH 2 CH 2 CO— (caprolactone ester moiety) —O(CH 2 ) y CO— where y is one of the numbers 2, 3, 4 and 6-24; or —O(CH 2 CH 2 O) m CH 2 CO—; where m is integer between 2-24 inclusive.