US 8563651
Method involving 1-benzotriazolyl carbonate esters of poly(ethylene glycol)
granted A61KA61K31/7088A61K47/58
Quick answer
US patent 8563651 (Method involving 1-benzotriazolyl carbonate esters of poly(ethylene glycol)) held by Nektar Therapeutics expires Mon Oct 17 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Tue Oct 22 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Oct 17 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 4
- CPC classes
- A61K, A61K31/7088, A61K47/58, A61K47/60, A61K47/6901