Adhesive patch for the transdermal administration of a medication
US5750138A · kind A · utility
2Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Jul 17, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7023
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An adhesive patch for delayed onset transdermal drug delivery, comprising a reservoir or matrix containing the drug. An impervious membrane is arranged on said reservoir or matrix and designed to become pervious after a given delay period by receiving an external stimulus that alters its physical/chemical structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.