Pennie & Edmonds LLP
Polyesters of a polyhydroxycarboxylic acid and a polyol having a substituent with electrolyte properties
 The invention relates to new polyesters of a polyol containing substituents with electrolyte properties with polymeric hydroxycarboxylic esters, their method of preparation and their use. The polyesters are particularly suitable for use in the preparation of sustained-release drugs. 
Schwarz Pharma AG
C C A
C08G C08G A61K
inventional inventional inventional
Youxin Thomas
Li Kissel