Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4371503 | Apparatus for the vaporization of aluminum trichloride | Dietmar Aichelmann, Karl Kannenberg, Axel Volling | 1983-02-01 |
| 4347229 | Process for the pyrogenic production of finely divided oxide of a metal and/or a metalloid | Josef Schmid, Ludwig Lange, Hans Klebe | 1982-08-31 |
| 4258023 | Process for the pyrogenous production of very finely divided oxides of a metal and/or of a metalloid | Josef Schmid, Ludwig Lange, Hans Klebe | 1981-03-24 |