An autoadhesive oral transmucosal delivery device contains a pharmaceutically active agent which is delivered via mucosal tissues in the mouth. The device comprises a dry hydrogel polymer which autoadheres to the moist mucosal surface for a time sufficient for release of active agent to occur before...http://www.google.fr/patents/US6488953?utm_source=gb-gplus-shareBrevet US6488953 - Oral transmucosal delivery
