Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364972 | Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye | Helmut Degen, Norbert Zimmerman, Gunther Lamm, Arno Lange, Helmut Reichelt | 1994-11-15 |
| 5298635 | Tertiary amides useful as low-foam wetting agents in the textile industry | Eberhard Beckmann, Johannes P. Dix, Peter Freyberg, Erich Kromm | 1994-03-29 |