US 11535684
Chitosan derivatives and methods for preparing the same
granted A61KA61K31/722
Quick answer
US patent 11535684 (Chitosan derivatives and methods for preparing the same) held by PRIMEX EHF expires Mon Dec 22 2042 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- PRIMEX EHF
- Grant date
- Tue Dec 27 2022 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Dec 22 2042 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 12
- CPC classes
- A61K, A61K31/722