Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886209 | Preparation of 2-(4-hydroxyphenoxy) propionates | Thomas Wettling, Bernd Hupfeld, Jochem Henklemann | 1999-03-23 |
| 5637704 | Preparation of hydroxyoxaalkylmelamines | Erhard Guenther, Wolfgang Reuther, Günter Scherr | 1997-06-10 |
| 5210214 | Preparation of indolenines | Klaus Diehl, Martin Fischer | 1993-05-11 |
| 4396695 | Electrophotographic medium with heterocyclic azo photoconductor | Gerhard Hoffmann, Dieter Buhl | 1983-08-02 |