Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879142 | Process for preparing a silicon carbide protective coating | Volker Fey, Bernd Pachaly | 1989-11-07 |
| 4833220 | Process for preparing moldings based on silicon oxycarbide | Volker Frey, Bernd Pachaly | 1989-05-23 |
| 4824651 | Process for preparing silicon carbide fibers | Volker Frey, Bernd Pachaly | 1989-04-25 |