Patent ID: 8778364
Filing Date: 2014-07-15
Classification: A61K,A61P

Abstract:
1. A solution consisting of: (a) a drug, (b) a polymer selected from the group consisting of polyvinylpyrrolidone, polyglutamic acid or its salt and hyaluronic acid or its salt, (c) a surfactant consisting of a mixture of caprylic acid or its salts and cholesteryl sulphate or its salt, and (d) a water miscible solvent selected from the group consisting of alcohol, polyethylene glycol and polypropylene glycol; such that dilution of the solution with an aqueous liquid vehicle or vice versa, with agitation or shaking, results in the formation of a nanodispersion that remains stable for at least 4 hours with no aggregation or crystallization of the said drug.