Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174926 | Method of preparing organically modified silica | Vinayan C. Menon, Douglas M. Smith, Kenneth C. Koehlert | 2001-01-16 |
| 6090439 | Method of preparing treated silica | Vinayan C. Menon, Douglas M. Smith, Kenneth C. Koehlert | 2000-07-18 |