Film preparation for biphasic release of pharmacologically...

Details Film preparation for biphasic release of pharmacologically... Film preparation for biphasic release of pharmacologically...

A - Human Necessities

61

K

A61K 9/70 (2006.01) A61K 47/32 (2006.01) A61K 47/36 (2006.01)

Patent

CA 2391393

A polymer-based preparation in film form for biphasic release of substances present therein to liquid surroundings, is characterized in that the preparation comprises at least two polymer matrix layers which differ in terms of their construction from polymers, with release taking place rapidly from one of the layers, and release taking place slowly from at least one other layer.

Préparation sous forme de film à base de polymère pour libération selon deux phases de substances contenues dans celle-ci, dans un environnement liquide, caractérisée en ce que ladite préparation comprend au moins deux couches de matrice polymère différant entre elles par la composition du polymère, et en ce que la libération à partir de l'une des couches s'effectue rapidement, et la libération à partir d'au moins l'autre couche s'effectue lentement.

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