{HEAD ~ The present invention} provides a device for the delivery of {TAIL ~ an active agent} to a fluid environment of use in which the active agent must be protected from the fluid environment until it is delivered 
{ HEAD ~ The present invention } provides a device for the delivery of { TAIL ~ an active agent } to a fluid environment of use in which the active agent must be protected from the fluid environment until it is delivered
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH