Active agent delivery systems, including a single layer of a...

Details Active agent delivery systems, including a single layer of a... Active agent delivery systems, including a single layer of a...

A - Human Necessities

61

L

A61L 27/34 (2006.01) A61L 27/54 (2006.01)

Patent

CA 2535346

An active agent delivery system that includes two or more active agents in a layer of a miscible polymer blend having at least two miscible polymers; wherein delivery of at least one of the active agents occurs predominantly under permeation control; and further wherein the permeability of the active agent that is to be released faster is greater than the permeability of the other one or more active agents.

L'invention concerne un système de distribution d'agents actifs comprenant deux ou plusieurs agents actifs dans une couche faite d'un mélange de polymères miscibles avec au moins deux polymères miscibles, la distribution d'au moins un des agents actifs se produisant principalement sous contrôle de la pénétration, la perméabilité de l'agent actif destiné à être libéré étant, de plus, supérieure à la perméabilité de l'autre ou des autres agents actifs.

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