Drug delivery agents in the form of dissolvable microspheres that facilitate the delivery of pharmaceutical preparations; drug delivery agents consisting of compounds that facilitate delivery of a wide range of pharmaceuticals; drug delivery agents in the form of hydrogel that facilitates the delivery of pharmaceutical preparations

Drug delivery agents in the form of dissolvable microspheres that facilitate the delivery of pharmaceutical preparations; drug delivery agents consisting of compounds, being a component in pharmaceutical preparations, that facilitate delivery of a wide range of pharmaceuticals