US 6565889
Bilayer structure which encapsulates multiple containment units and uses thereof
expired A61KA61K9/1274A61K9/1277
Quick answer
US patent 6565889 (Bilayer structure which encapsulates multiple containment units and uses thereof) held by The Regents of the University of California expires Mon May 15 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The Regents of the University of California
- Grant date
- Tue May 20 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 15 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 39
- CPC classes
- A61K, A61K9/1274, A61K9/1277