US 8455653
Hydroxy-6-heteroarylphenanthridines and their use as PDE4 inhibitors
granted A61KA61K31/473A61K31/4985
Quick answer
US patent 8455653 (Hydroxy-6-heteroarylphenanthridines and their use as PDE4 inhibitors) held by TAKEDA GMBH expires Mon May 30 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- TAKEDA GMBH
- Grant date
- Tue Jun 04 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 30 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 6
- CPC classes
- A61K, A61K31/473, A61K31/4985, A61K31/501, A61K31/506