US 9220685
Hollow silica nanospheres and methods of making same
granted A61KA61K2039/53A61K2039/6093
Quick answer
US patent 9220685 (Hollow silica nanospheres and methods of making same) held by The Regents of the University of California expires Mon Dec 24 2035 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- The Regents of the University of California
- Grant date
- Tue Dec 29 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 24 2035 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 23
- CPC classes
- A61K, A61K2039/53, A61K2039/6093, A61K39/0011, A61K47/59