Method and device for topical delivery of therapeutic agents to the skin
US7316817B2 · kind B2 · utility
3Cited by
15References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2004 |
| Grant date | Jan 8, 2008 |
| Priority date | — |
| Expiry date | Oct 6, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composite sheet for delivering therapeutic agents to the skin and method of use is disclosed. The composite sheet comprises a flexible porous polymer for holding and releasing the therapeutic agent in a polymer enrobing material. Micro-channels pass through the polymer enrobing material and flexible porous polymer to promote the release of the therapeutic agent. The composite sheet is capable of releasing the therapeutic agent for periods of up to about 14 to about 30 days.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.