Drug dispensing device for transdermal delivery of medicaments
US4675009A · kind A · utility
152Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Mar 31, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A flexible, liquid-absorbing, adhesive skin reservoir includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer and/or a long chain natural or synthetic polysaccharide, or a combination thereof. The liquid phase of the matrix consists of water, hydric alcohol, carbohydrates and/or proteins in an aqueous solution, and/or a combination thereof. The matrix contains a medicament therein for release to the affected areas for local and/or systemic medicinal effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.