A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/70 (2006.01) A61L 15/16 (2006.01) B05B 5/08 (2006.01) B05B 5/14 (2006.01)
Patent
CA 2712184
The invention relates to a method for making a device (1) for the skin application of a substance, that comprises using an electrohydrodynamic spraying (or electrospray) method for depositing the substance onto the device. The method particularly includes the steps of placing a substrate (31) at a distance from a spraying nozzle (11), feeding a liquid formulation (21) containing the substance towards the spraying nozzle (11), and submitting the formulation (21) to an electric field in order to form an aerosol (22) between the nozzle (11) and the substrate (31), and collecting on the substrate (31) the particles formed from said aerosol (22).
L'invention concerne un procédé de fabrication d'un dispositif (1) pour l'application cutanée d'une substance, comprenant l'utilisation du procédé de pulvérisation électrohy-drodynamique (ou électrospray) pour déposer la substance sur le dispositif. Ce procédé comprend notamment les étapes consistant à placer un support (31) à distance d'une buse de pulvérisation (11), à fournir la formulation liquide (21) contenant la substance à la buse de pulvérisation (11), à soumettre la formulation (21) à un champ électrique aérosol (22) entre la buse (11) et le support (31) et à collecter, sur le support (31), les particules formées à partir de l'aérosol (22).
Dupont Bertrand
Ehouarn Pascale
Tatoulian Ludovic
Dbv Technologies
Robic
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