Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate
US4420470A · kind A · utility
14Cited by
4References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 8, 1982 |
| Grant date | Dec 13, 1983 |
| Priority date | — |
| Expiry date | Jan 8, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical preparation comprising a flexible backing and a base material provided thereon is described wherein the base material consists essentially of a polymer having a glass transition temperature of from -70.degree. C. to -10.degree. C. and exhibiting pressure-sensitivity at room temperature, and isosorbide dinitrate or pentaerythritol tetranitrate. This pharmaceutical preparation is applied to the skin, and permits the active ingredient to be absorbed through the skin into the body at a constant rate, and gradually over a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.