US 6537557
Attenuated dengue-4 virus vaccine
expired A61KA61K2039/5254A61K2039/545
Quick answer
US patent 6537557 (Attenuated dengue-4 virus vaccine) held by The United States of America as represented by the Secretary of the Army expires Mon Mar 20 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The United States of America as represented by the Secretary of the Army
- Grant date
- Tue Mar 25 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 20 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 3
- CPC classes
- A61K, A61K2039/5254, A61K2039/545, A61K2039/57, A61K2039/70