US 11697639
Quaternary ammonium salt compound, preparation method therefor and use thereof
granted A61PA61P23/02
Quick answer
US patent 11697639 (Quaternary ammonium salt compound, preparation method therefor and use thereof) held by WEST CHINA HOSPITAL, SICHUAN UNIVERSITY expires Mon Jul 06 2043 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- WEST CHINA HOSPITAL, SICHUAN UNIVERSITY
- Grant date
- Tue Jul 11 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jul 06 2043 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 20
- CPC classes
- A61P, A61P23/02