US 6887920
Fillings and composite dental materials containing the fillings
expired A61KA61K6/20A61K6/30
Quick answer
US patent 6887920 (Fillings and composite dental materials containing the fillings) held by KURARAY CO., LTD. expires Mon Apr 28 2025 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- KURARAY CO., LTD.
- 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
- 13
- CPC classes
- A61K, A61K6/20, A61K6/30, A61K6/54, A61K6/71