US 8440689
Fused heteroaromatic pyrrolidinones
granted A61KA61K31/437A61K31/519
Quick answer
US patent 8440689 (Fused heteroaromatic pyrrolidinones) held by Takeda Pharmaceutical Company Limited expires Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Takeda Pharmaceutical Company Limited
- Grant date
- Tue May 14 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 28
- CPC classes
- A61K, A61K31/437, A61K31/519, A61K31/527, A61K45/06