Method for delivering an active substance topically or percutaneously
US5215520A · kind A · utility
43Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1991 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | Sep 17, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M37/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for the topical or percutaneous administration of a cosmetic or pharmaceutically active substance involves applying an electric current to an area of the skin, ceasing to apply the electric current to this area of the skin and then applying an active substance to at least a part of this area of the skin in the absence of an electric current being applied thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.