US 7101932
Method for the preparation of 1-benzotriazolyl carbonate esters of poly (ethylene glycol)
granted A61KA61K31/7088A61K47/58
Quick answer
US patent 7101932 (Method for the preparation of 1-benzotriazolyl carbonate esters of poly (ethylene glycol)) held by Nektar Therapeutics AL, Corporation expires Mon Aug 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Nektar Therapeutics AL, Corporation
- Grant date
- Tue Sep 05 2006 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Aug 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 39
- CPC classes
- A61K, A61K31/7088, A61K47/58, A61K47/60, A61K47/6901