US 12377159
Steroids and protein-conjugates thereof
granted A61KA61K31/566A61K31/58
Quick answer
US patent 12377159 (Steroids and protein-conjugates thereof) held by REGENERON PHARMACEUTICALS, INC. expires Mon Jul 31 2045 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- REGENERON PHARMACEUTICALS, INC.
- Grant date
- Tue Aug 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 31 2045 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 23
- CPC classes
- A61K, A61K31/566, A61K31/58, A61K47/61, A61K47/6801