US 7157473
Pyridyl substituted heterocycles useful for treating or preventing HCV infection
granted A61PA61P1/16A61P31/12
Quick answer
US patent 7157473 (Pyridyl substituted heterocycles useful for treating or preventing HCV infection) held by Rigel Pharmaceuticals, Inc. expires Mon Dec 28 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Rigel Pharmaceuticals, Inc.
- Grant date
- Tue Jan 02 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 28 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 57
- CPC classes
- A61P, A61P1/16, A61P31/12