US 11198686
Crystal form and salt form of pyridone compound and preparation method therefor
granted A61KA61K31/4436A61P
Quick answer
US patent 11198686 (Crystal form and salt form of pyridone compound and preparation method therefor) held by Medshine Discovery Inc. expires Mon Dec 09 2041 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Medshine Discovery Inc.
- Grant date
- Tue Dec 14 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 09 2041 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 19
- CPC classes
- A61K, A61K31/4436, A61P, A61P11/00