Controlled release pharmaceutical tablet having lenticular form

Details Controlled release pharmaceutical tablet having lenticular form Controlled release pharmaceutical tablet having lenticular form

A - Human Necessities

61

K

A61K 9/24 (2006.01) A61K 9/20 (2006.01) A61K 31/192 (2006.01) A61K 31/4422 (2006.01) A61K 47/30 (2006.01)

Patent

CA 2137017

Controlled release pharmaceutical tablet having a lenticular form consisting of three layers of which the central one or core (a) contains the active principle and the two outer layers or barriers (b) and (c) comprise gellable and/or erodible polymeric material, said barrier layers being equal or different among themselves for composition and/or thickness, while the central layer has a limited external annular surface exposed to the dissolution medium, through which the active principle is released.

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