US 6861415
21-substituted progesterone derivatives as new antiprogestational agents
expired A61PA61P15/00A61P15/04
Quick answer
US patent 6861415 (21-substituted progesterone derivatives as new antiprogestational agents) held by The United States of America, as represented by the Department of Health and Human Services expires Mon Feb 24 2025 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 Mar 01 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 24 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 36
- CPC classes
- A61P, A61P15/00, A61P15/04, A61P15/08, A61P5/24