Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695952 | Method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid | Christoph Rüdinger, Harald Voit, Michael Hallmann, Mehmet Gunaltay, Hans-Jurgen Eberle | 2004-02-24 |
| 5310698 | Process for producing an arsenic-doped smooth polycrystalline silicon layer for very large scale integrated circuits | — | 1994-05-10 |