US 6887845
Polypeptoid pulmonary surfactants
expired A61KA61K38/1709A61P
Quick answer
US patent 6887845 (Polypeptoid pulmonary surfactants) held by Northwestern University expires Mon Apr 28 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- Northwestern University
- Grant date
- Tue May 03 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 28 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 4
- CPC classes
- A61K, A61K38/1709, A61P, A61P11/00