US 6627641
Antimalarial naphthylisoquinoline alkaloids and pharmaceutical compositions and medical uses thereof
expired A61KA61K31/47A61P
Quick answer
US patent 6627641 (Antimalarial naphthylisoquinoline alkaloids and pharmaceutical compositions and medical uses thereof) held by The United States of America, as represented by the Department of Health and Human Services expires Mon Sep 25 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 Sep 30 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 25 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 18
- CPC classes
- A61K, A61K31/47, A61P, A61P33/02, A61P33/06