US 6331556
Heterocyclic compounds and their therapeutic use
expired A61PA61P1/00A61P11/00
Quick answer
US patent 6331556 (Heterocyclic compounds and their therapeutic use) held by Darwin Discovery Limited expires Mon Dec 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Darwin Discovery Limited
- Grant date
- Tue Dec 18 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 16
- CPC classes
- A61P, A61P1/00, A61P11/00, A61P11/06, A61P13/12