US 6417236
Active topical skin protectants using hybrid organic polysilsesquioxane materials
expired A61KA61K2800/413A61K31/02
Quick answer
US patent 6417236 (Active topical skin protectants using hybrid organic polysilsesquioxane materials) held by The United States of America as represented by the Secretary of the Army expires Mon Jul 04 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 09 2002 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 43
- CPC classes
- A61K, A61K2800/413, A61K31/02, A61K31/08, A61K8/0241