US 6143304
Enhanced yield of podophyllotoxin from natural products through in situ conversion methods
expired A61KA61K36/29
Quick answer
US patent 6143304 (Enhanced yield of podophyllotoxin from natural products through in situ conversion methods) held by The United States of America, as represented by the Secretary of Agriculture expires Mon Nov 02 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 Agriculture
- Grant date
- Tue Nov 07 2000 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 02 2020 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 5
- CPC classes
- A61K, A61K36/29