Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123964 | Finely divided, precipitated silica with high structure, method of its preparation and use | Dieter Kerner, Adolf Wagner, Felix Schmidt | 1992-06-23 |
| 5034207 | Finely, divided, precipitated silica with high structure, method of its preparation and use | Dieter Kerner, Adolf Wagner, Felix Schmidt | 1991-07-23 |