US 6221401
Bilayer structure which encapsulates multiple containment units and uses thereof
expired A61KA61K9/1274
Quick answer
US patent 6221401 (Bilayer structure which encapsulates multiple containment units and uses thereof) held by The Regents of the University of California expires Mon Apr 19 2021 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The Regents of the University of California
- Grant date
- Tue Apr 24 2001 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 19 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 27
- CPC classes
- A61K, A61K9/1274