Hanmi Pharm wins US patent for amlodipine camsylate

Hanmi Pharm said it has acquired an U.S. patent for the manufacturing process of amlodipine camsylate with better combination of properties in terms of photo stability and purity, soon after the obtainment of the Korea patent in October.

The company invested three billion won for the development of amlodipine camsylate through its five-year formulation study and has been selling finished pro...