Polyesters of a polyhydroxycarboxylic acid and a polyol having a substituent with electrolyte properties

摘要

PCT No. PCT/EP95/00655 Sec. 371 Date Apr. 24, 1997 Sec. 102(e) Date Apr. 24, 1997 PCT Filed Feb. 23, 1995 PCT Pub. No. WO95/23175 PCT Pub. Date Aug. 31, 1995The 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.