Copolymers designed for use as particulate carriers containing functionalizable amino acid subunits for coupling with targeting ligand are described. The copolymers are polyesters composed of -hydroxy acid subunits such as D,L-lactide and -amino acid subunits such as serine or in the preferred embodiment,...http://www.google.es/patents/US6471996?utm_source=gb-gplus-sharePatente US6471996 - Biodegradable targetable microparticle delivery system
Biodegradable targetable microparticle delivery system
