US 9271937
Oxidized cellulose microspheres
granted A61KA61K31/445A61K31/714
Quick answer
US patent 9271937 (Oxidized cellulose microspheres) held by Covidien LP expires Mon Feb 25 2036 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Covidien LP
- Grant date
- Tue Mar 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Feb 25 2036 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 16
- CPC classes
- A61K, A61K31/445, A61K31/714, A61K33/24, A61K33/243