US 12076316
Levorphanol prodrugs and processes for making and using them
granted A61KA61K31/485A61K45/06
Quick answer
US patent 12076316 (Levorphanol prodrugs and processes for making and using them) held by Zevra Therapeutics, Inc. expires Mon Aug 29 2044 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Zevra Therapeutics, Inc.
- Grant date
- Tue Sep 03 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Aug 29 2044 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 15
- CPC classes
- A61K, A61K31/485, A61K45/06, A61K47/542, A61K47/551