US 9808407
Porous silica particle, method for producing the same, and cosmetic containing the same
granted A61KA61K2800/412A61K8/0279
Quick answer
US patent 9808407 (Porous silica particle, method for producing the same, and cosmetic containing the same) held by JGC Catalysts and Chemicals Ltd. expires Mon Nov 02 2037 00:00:00 GMT+0000 (Coordinated Universal Time). Status: granted.
Key facts
- Applicant
- JGC Catalysts and Chemicals Ltd.
- Grant date
- Tue Nov 07 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Nov 02 2037 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 8
- CPC classes
- A61K, A61K2800/412, A61K8/0279, A61K8/19, A61K8/25