Carboxylated polysaccharides phosphated or bisphosphonated derivatives, optionally cross-linked, and their preparation and biomedical uses

摘要

Disclosed are carboxylated polysaccharides phosphated or diphosphonated derivatives and hydrogels obtainable by reaction of said polysaccharides with a crosslinker, and the use of said hydrogels as carriers in the preparation of pharmaceutical formulations.