US 6911197
N-maleimidyl polymer derivatives
expired A61KA61K31/74A61K47/58
Quick answer
US patent 6911197 (N-maleimidyl polymer derivatives) held by Nektar Therapeutics AL, Corporation expires Mon Jun 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Nektar Therapeutics AL, Corporation
- Grant date
- Tue Jun 28 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Jun 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 42
- CPC classes
- A61K, A61K31/74, A61K47/58, A61K47/60, A61K47/65