US 6106856
Transdermal delivery of calcium channel blockers, such as nifedipine
expired A61KA61K31/44A61K47/10
Quick answer
US patent 6106856 (Transdermal delivery of calcium channel blockers, such as nifedipine) held by Board of Governors for Higher Education, State of Rhode Island and Providence Plantations expires Mon Aug 17 2020 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Board of Governors for Higher Education, State of Rhode Island and Providence Plantations
- Grant date
- Tue Aug 22 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Aug 17 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 14
- CPC classes
- A61K, A61K31/44, A61K47/10, A61K47/12, A61K47/22