Controlled release system

Details Controlled release system Controlled release system

A - Human Necessities

61

K

167/165, 71/40,

A61K 9/22 (2006.01) A01N 25/34 (2006.01) A61K 9/20 (2006.01) A61M 31/00 (2006.01)

Patent

CA 1241551

CONTROLLED RELEASE SYSTEM Abstract of the Disclosure A device for the controlled release of an active material into an aqueous medium comprises a water soluble capillary tube (11) the bore (12) of which contains an active material (13). Dissolution of the active material is diffusion limited during a delay period whilst the capillary is dissolving. When dissolution of the tube is complete rapid dissolution of the remaining active material then takes place.

462922

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