Reservoir which can be impregnated with a solution of active principle, for an iontophoretic device for transdermal delivery of medicinal products and method of manufacture of such a resevoir
US5718913A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Feb 26, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/0448
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The reservoir loaded with a divided material which can be impregnated with the solution of active principle, comprises a) a support sheet (1) made of a cavitied material which is permeable to the solution and capable of contributing to the mechanical strength of the reservoir b) a layer (3) of particles of the impregnatable material and c) a substrative layer (2) interposed between one face of the support sheet (1) and the layer of particles (3) in order to hold the latter on the support sheet (1), this substrative layer (2) consisting of a substance which is miscible with the solution of active principle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.