US 6862890
Process for production of nanoparticles and microparticles by spray freezing into liquid
expired A61KA61K9/1617A61K9/1623
Quick answer
US patent 6862890 (Process for production of nanoparticles and microparticles by spray freezing into liquid) held by The Board of Regents of the University of Texas System expires Mon Mar 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- The Board of Regents of the University of Texas System
- Grant date
- Tue Mar 08 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 14
- CPC classes
- A61K, A61K9/1617, A61K9/1623, A61K9/1635, A61K9/1641