US 6403653
Active topical skin protectants using reactive nanoparticles
expired A61KA61K2800/413A61K31/02
Quick answer
US patent 6403653 (Active topical skin protectants using reactive nanoparticles) held by The United States of America as represented by the Secretary of the Army expires Mon Jun 06 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 Jun 11 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jun 06 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 25
- CPC classes
- A61K, A61K2800/413, A61K31/02, A61K31/08, A61K8/0241