A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01)
Patent
CA 2604170
The invention concerns a dermal patch comprising a reservoir layer (11) made of a polymer gel designed to receive a liquid containing an active principle and having a first surface (21) to be applied on a user's skin to diffuse the active principle. The invention is characterized in that the patch further comprises a receiving layer (12) for receiving the liquid containing the active principle and transmitting the liquid to the reservoir layer, and an adhesive layer (13) maintaining the receiving layer (12) on a second surface (22) of the reservoir layer (11). The invention provides the advantage of a patch rechargeable at will and capable of being manufactured without prior incorporation of the liquid containing the active substance in the reservoir layer.
L'invention concerne un timbre dermique comprenant une couche réservoir (11) en un gel polymère prévue pour recevoir un liquide contenant un principe actif et présentant une première face (21) à appliquer sur la peau d'un utilisateur en vue de diffuser le principe actif. Selon l~invention, le timbre comprend en outre une couche réceptrice (12) pour recevoir le liquide contenant le principe actif et transmettre le liquide à la couche réservoir, et une couche de colle (13) assurant le maintien de la couche réceptrice (12) sur une seconde face (22) de la couche réservoir (11). Avantage : obtention d'un timbre rechargeable à volonté et pouvant être fabriqué sans incorporation préalable du liquide contenant la substance active dans la couche réservoir.
Martin Jean-Luc
Millet Jean-Claude
Goudreau Gage Dubuc
Millet Innovation
LandOfFree
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