Patent · US Expired

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

20Cited by
7References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 1996
Grant dateFeb 17, 1998
Priority date
Expiry dateFeb 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.