Patent ID: 6613361
Filing Date: 2003-09-02
Classification: A61K,A61P,Y10S

Abstract:
A sustained-release ketoprofen microgranule consisting of an active core containing ketoprofen coated with a polymeric layer which allows sustained release of the active principle, wherein the polymeric layer contains a 30% aqueous dispersion of the copolymer poly(ethyl acrylate, methyl methacrylate, trimethylammonioethyl methacrylate chloride) in the proportion 1/2/0.2 and a 30% aqueous dispersion of the copolymer poly(ethyl acrylate, methyl methacrylate, trimethylammonioethyl methacrylate chloride) in the proportion 1/2/0.1, in a mass proportion of between 80/20 and 95/5.