US 8431556
C-21-keto lupane derivatives preparation and use thereof
granted A61PA61P31/18
Quick answer
US patent 8431556 (C-21-keto lupane derivatives preparation and use thereof) held by Vertex Pharmaceuticals Incorporated expires Mon Apr 25 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Vertex Pharmaceuticals Incorporated
- Grant date
- Tue Apr 30 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 25 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 21
- CPC classes
- A61P, A61P31/18