US 6899867
Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)
expired A61KA61K31/765A61K47/60
Quick answer
US patent 6899867 (Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)) held by Nektar Therapeutics AL, Corporation expires Mon May 26 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Nektar Therapeutics AL, Corporation
- Grant date
- Tue May 31 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 26 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 48
- CPC classes
- A61K, A61K31/765, A61K47/60, A61P, A61P25/22