Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651921 | Process for preparing a water repellent silica sol | — | 1997-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651921 | Process for preparing a water repellent silica sol | — | 1997-07-29 |