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Abstract

There is described dry compositions comprising lipophilic compounds associated with low viscosity grades of water insoluble polymer and optionally hydrophilic agent/s associated either as monomolecular or amorphous complexes. There is also described a method of preparing said lipophilic polymer complexes from a solution or homogeneous dispersion employing either water miscible or immiscible organic solvents. The lipophilic polymer complex is precipitated from the solution comprising a water miscible solvent by dilution with water, separating out the precipitated complex, washing, drying and conversion to oral and topical dosage forms. The lipophilic polymer complex may also be prepared by solvent removal involving spray drying or vacuum drying under elevated temperatures using either water miscible or water immiscible solvents. The compositions are characterised by improved dissolution and solubility of the associated compound in aqueous medium.

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First Claim