US 6331630
Dimeric arylisoquinoline alkaloids and derivatives thereof
expired A61KA61K31/47A61P
Quick answer
US patent 6331630 (Dimeric arylisoquinoline alkaloids and derivatives thereof) held by The United States of America, as represented by the Department of Health and Human Services expires Mon Dec 13 2021 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 18 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 11
- CPC classes
- A61K, A61K31/47, A61P, A61P33/06