US 8163309
Starch foam microparticles
granted A61PA61P33/14
Quick answer
US patent 8163309 (Starch foam microparticles) held by The United States of America, as represented by the Secretary of Agriculture expires Mon Apr 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- The United States of America, as represented by the Secretary of Agriculture
- Grant date
- Tue Apr 24 2012 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Apr 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 25
- CPC classes
- A61P, A61P33/14