Description  Claims  Drawing  Cited references 

EP0343993A   [0005] 
EP0502032A   [0007]  [0009] 
WO9921536A   [0009] 
WO9925325A   [0010] 
WO03068196A   [0012] 
GB2367002A   [0013] 
WO0176562A   [0014]  [0022] 
WO2004052339A   [0015] 
US5422121A   [0017] 

Journal of Controlled Release   [0008] 
European Journal of Pharmaceutical Sciences   [0016] 
European Journal of Pharmaceutical Sciences   [0018]