US 8574467
Benzo-fused heterocyclic chromophores for nonlinear optical devices
granted A61KA61K47/34A61K47/60
Quick answer
US patent 8574467 (Benzo-fused heterocyclic chromophores for nonlinear optical devices) held by United States of America as represented by the Secretary of the Air Force expires Mon Oct 31 2033 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- United States of America as represented by the Secretary of the Air Force
- Grant date
- Tue Nov 05 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Oct 31 2033 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 20
- CPC classes
- A61K, A61K47/34, A61K47/60, A61K47/61, A61K47/6903