Mixed solvent mutually enhanced transdermal therapeutic system
US5064654A · kind A · utility
136Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1990 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Apr 20, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7084
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the art of transdermal administration of drug substances, particularly those drug substances having a greater solubility in ethanol than in water and those drug substances having cationic or anionic substituent groups. It is especially useful for the administration of nitroglycerin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.