🇺🇸 FDA
Patent

US 7153880

Substituted diphenyl heterocycles useful for treating HCV infection

granted A61PA61P31/12A61P31/14

Quick answer

US patent 7153880 (Substituted diphenyl heterocycles useful for treating HCV infection) held by Rigel Pharmaceuticals, Inc. expires Mon Dec 21 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.

Key facts

Applicant
Rigel Pharmaceuticals, Inc.
Grant date
Tue Dec 26 2006 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Dec 21 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
15
CPC classes
A61P, A61P31/12, A61P31/14, A61P43/00