US 7220431
Methods and compositions for applying pharmacologic agents to the ear
granted A61KA61K31/43A61K31/4402
Quick answer
US patent 7220431 (Methods and compositions for applying pharmacologic agents to the ear) held by Regents of the University of Minnesota expires Mon May 17 2027 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Regents of the University of Minnesota
- Grant date
- Tue May 22 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 17 2027 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 25
- CPC classes
- A61K, A61K31/43, A61K31/4402, A61K31/5386, A61K31/5415