US 6146643
Human/simian chimeric hepatitis A virus vaccine
expired A61KA61K39/00A61P
Quick answer
US patent 6146643 (Human/simian chimeric hepatitis A virus vaccine) held by The United States of America as Represented by the Secretary of the Department of Health and Human Services expires Mon Nov 09 2020 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 Department of Health and Human Services
- Grant date
- Tue Nov 14 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 09 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 5
- CPC classes
- A61K, A61K39/00, A61P, A61P31/12