US 6664263
1,8-naphthalimide imidazo{4,5,1-de}acridones with anti-tumor activity
expired A61KA61K31/4745A61K31/496
Quick answer
US patent 6664263 (1,8-naphthalimide imidazo{4,5,1-de}acridones with anti-tumor activity) held by The United States of America, as represented by the Department of Health and Human Services expires Mon Dec 11 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The United States of America, as represented by the Department of Health and Human Services
- Grant date
- Tue Dec 16 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 11 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 20
- CPC classes
- A61K, A61K31/4745, A61K31/496, A61K31/506, A61P