Percutaneous gel preparation
US5204109A · kind A · utility
7Cited by
2References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 23, 1992 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Mar 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/565
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A percutaneous gel preparation is disclosed, which comprises a substrate having one surface thereof a crosslinked gel layer formed by crosslinking a composition comprising the following ingredients (a) to (c), the weight ratio of the ingredient (b) to the ingredient (c) being from 1.0/0.25 to 1.0/2.0: PA1 (a) isosorbide dinitrate; PA1 (b) an acrylate polymer; and PA1 (c) a liquid ingredient compatible with the ingredient (b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.