Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808546 | Device and method for exhaust air processing, in particular, for clean room devices | — | 2004-10-26 |
| 5367096 | Process for the preparation of 2,5-di(phenylamino)terephthalic acid and dialkyl esters thereof in high purity | Eberhard Ritter, Hans-Ludwig Schafer, Thomas Vollheim | 1994-11-22 |
| 5152437 | Device for connecting apparatus withdrawing ultrapure liquids from containers | Heinz-Dieter Klein, Petra Meissner, Norbert Ochs, Wolfgang Sievert | 1992-10-06 |