Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921781 | Process for covering silicas with wax | Juergen Schubert, Klaus-Dieter Hellwig, Hans-Dieter Puetz | 2005-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921781 | Process for covering silicas with wax | Juergen Schubert, Klaus-Dieter Hellwig, Hans-Dieter Puetz | 2005-07-26 |