US 6420434
Active topical skin protectants using polyoxometallates
expired A61KA61K31/02A61K31/08
Quick answer
US patent 6420434 (Active topical skin protectants using polyoxometallates) held by The United States of America as represented by the Secretary of the Army expires Mon Jul 11 2022 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 Army
- Grant date
- Tue Jul 16 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 11 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 27
- CPC classes
- A61K, A61K31/02, A61K31/08, A61K8/24, A61K8/29