US 6759538
Substituted diphenyl heterocycles useful for treating HCV infection
expired A61PA61P31/12A61P31/14
Quick answer
US patent 6759538 (Substituted diphenyl heterocycles useful for treating HCV infection) held by Rigel Pharmaceuticals, Inc. expires Mon Jul 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Rigel Pharmaceuticals, Inc.
- Grant date
- Tue Jul 06 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 34
- CPC classes
- A61P, A61P31/12, A61P31/14, A61P43/00