Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521214 | Process for preparation of abrasive precipitated silica | Adrien Dromard, Yvonick Chevallier | 2003-02-18 |
| 6221326 | Method for preparing hollow silica particles | — | 2001-04-24 |
| 6187292 | Silica capable of being used in toothpaste compositions | Adrien Dromard | 2001-02-13 |
| 6132773 | Method for preparing particles comprising a core and a silica shell | — | 2000-10-17 |