πŸ‡ΊπŸ‡Έ FDA
Patent

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