Device and method for iontophoretic drug delivery
US5423739A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1993 |
| Grant date | Jun 13, 1995 |
| Priority date | — |
| Expiry date | Jul 30, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An iontophoretic device having a two-layer active electrode element is disclosed. The active element is composed of overlapping skin contact hydrogel and carrier layers. The carrier layer contains dispersed or dissolved active agent. The active electrode element maintains the active agent in stable form and permits efficient transport of the active agent to the host. Also disclosed is an iontophoretic device having a single layer active electrode element. The single layer is a hydrogel as manufactured or substantially dry and capable of being hydrated before use. The skin contact hydrogel of the two-layer active electrode element preferably.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.