US 11111335
Method of preparing carboxylic acid functionalized polymers
granted A61KA61K31/765
Quick answer
US patent 11111335 (Method of preparing carboxylic acid functionalized polymers) held by Nektar Therapeutics expires Mon Sep 02 2041 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Tue Sep 07 2021 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 02 2041 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 16
- CPC classes
- A61K, A61K31/765