US 11161828
Class of bisquaternary ammonium compound as well as the preparative method and the use thereof
granted A61PA61P21/02
Quick answer
US patent 11161828 (Class of bisquaternary ammonium compound as well as the preparative method and the use thereof) held by WEST CHINA HOSPITAL, SICHUAN UNIVERSITY expires Mon Oct 28 2041 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- WEST CHINA HOSPITAL, SICHUAN UNIVERSITY
- Grant date
- Tue Nov 02 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Oct 28 2041 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 10
- CPC classes
- A61P, A61P21/02