US 12297300
Hyaluronic acid-based zwitterionic polymer brush, preparation method thereof, and use thereof
granted A61KA61K31/728A61P
Quick answer
US patent 12297300 (Hyaluronic acid-based zwitterionic polymer brush, preparation method thereof, and use thereof) held by South China University of Technology expires Mon May 08 2045 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- South China University of Technology
- Grant date
- Tue May 13 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 08 2045 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 5
- CPC classes
- A61K, A61K31/728, A61P, A61P19/02