US 6855331
Sustained release hydrophobic bioactive PLGA microspheres
expired A61KA61K31/337A61K39/00
Quick answer
US patent 6855331 (Sustained release hydrophobic bioactive PLGA microspheres) held by The United States of America as represented by the Secretary of the Army expires Mon Feb 10 2025 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 Feb 15 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 10 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 13
- CPC classes
- A61K, A61K31/337, A61K39/00, A61K45/06, A61K9/1611