US 9138489
Oxidized cellulose miczrospheres including visualization agents
granted A61KA61K31/282A61K31/445
Quick answer
US patent 9138489 (Oxidized cellulose miczrospheres including visualization agents) held by Covidien LP expires Mon Sep 17 2035 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- Covidien LP
- Grant date
- Tue Sep 22 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Sep 17 2035 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 9
- CPC classes
- A61K, A61K31/282, A61K31/445, A61K31/714, A61K49/00