Controlled release device with an impermeable coating having...

Details Controlled release device with an impermeable coating having... Controlled release device with an impermeable coating having...

A - Human Necessities

61

K

167/164, 167/326

A61K 9/20 (2006.01) A61K 9/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 1339079

Controlled release devices having a core including an active agent and an outer coating which is substantially impermeable to the entrance of an environmental fluid and substantially impermeable to the release of the active agent during a dispensing period allow the controlled release of the active agent through an orifice in the outer coating.

609411

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