US 7223803
Polyethylene (glycol) derivatives with proximal reactive groups
granted A61KA61K47/60
Quick answer
US patent 7223803 (Polyethylene (glycol) derivatives with proximal reactive groups) held by Nektar Therapeutics AL, Corporation expires Mon May 24 2027 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Nektar Therapeutics AL, Corporation
- Grant date
- Tue May 29 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 24 2027 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 24
- CPC classes
- A61K, A61K47/60