US 8454946
N-maleimidyl polymer derivatives
granted A61KA61K31/74A61K47/58
Quick answer
US patent 8454946 (N-maleimidyl polymer derivatives) held by Nektar Therapeutics expires Mon May 30 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Nektar Therapeutics
- Grant date
- Tue Jun 04 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon May 30 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 1
- CPC classes
- A61K, A61K31/74, A61K47/58, A61K47/60, A61K47/65