US 10415881
Method and device for freeze-drying drug liposomes powder assisted by variable-frequency alternating-current electric field
granted A61KA61K9/1277A61K9/19
Quick answer
US patent 10415881 (Method and device for freeze-drying drug liposomes powder assisted by variable-frequency alternating-current electric field) held by South China University of Technology expires Mon Sep 12 2039 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- South China University of Technology
- Grant date
- Tue Sep 17 2019 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 12 2039 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 14
- CPC classes
- A61K, A61K9/1277, A61K9/19