US 6558698
Microencapsulated bioactive agents and method of making
expired A61KA61K41/0028A61K9/1277
Quick answer
US patent 6558698 (Microencapsulated bioactive agents and method of making) held by The United States of America as represented by the Administrator of the National Aeronautics and Space Administration expires Mon May 01 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Grant date
- Tue May 06 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 01 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 28
- CPC classes
- A61K, A61K41/0028, A61K9/1277, A61K9/5073, A61K9/5089