Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921781 | Process for covering silicas with wax | Juergen Schubert, Michael B. Pickel, Hans-Dieter Puetz | 2005-07-26 |
| 6800267 | Doped precipitated silica | Jurgen Schubert, Astrid Muller | 2004-10-05 |
| 4592589 | Inflatable-inflated cushion for seat | — | 1986-06-03 |
| 4536383 | Method for preparation of alkali metal selenates | Lothar Kaufmann | 1985-08-20 |