CONTROLLED RELEASE PHARMACEUTICAL COMPOSITIONS FORMULATING FILMS AFTER APPLICATION

摘要

Controlled-release solution type plaster composition obtained by mixing anti-inflammatory analgesic drug with polymer composition used as film-forming agent which is composed of wafer soluble polyvinylalcohol (PVA) 0.1-3 wt. parts, water 7-9.4 wt. parts, add water soluble polyvinylpyrrolidone 0.1-0.5 wt. parts. The plaster composition uses a mixture of water and methand as a solvent and form film after applying to skin.