Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302683 | Silicone resin-based coatings | Richard Weidner, Volker Frey, Manfred Meisenberger, Reinhardt Mueller | 1994-04-12 |
| 5164138 | Material comprising silicon and process for its manufacture | Josef Dietl, Erhard Sirtl, Rolf Bauregger, Rudolf Rothlehner, Dieter Seifert +2 more | 1992-11-17 |
| 4871117 | Low-contamination method for comminuting solid silicon fragments | Rolf Baueregger, Josef Dietl | 1989-10-03 |
| 4588571 | Process for the purification of silicon by the action of an acid | Josef Dietl, Rolf Baueregger, Dieter Seifert | 1986-05-13 |