Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946653 | Process for the simultaneous classification and regulated, continuous discharge of particulate material from fluidized bed reactors | Gerhard Stopp, Karl Kreutzer, Horst Karkossa, Karl Mannes, Hans-Joachim Laakmann | 1990-08-07 |
| 4609756 | Process for the preparation of optionally substituted cinnamic acid in the presence of a catalyst | Alfons Dorlars, Heinz U. Blank, Herbert Nordt, deceased | 1986-09-02 |
| 4529817 | Process for preparing aromatic hydroxycarboxylic acids | Gerhard Stopp, Horst Karkossa | 1985-07-16 |
| 4508920 | Process for the preparation of aromatic hydroxycarboxylic acids | Gerhard Stopp, Horst Karkossa | 1985-04-02 |
| 4447647 | Process for the preparation of 2,4,6-trichloroaniline | Friedrich Werner, Karl Mannes | 1984-05-08 |
| 4341720 | Process for the preparation of oxalyl chloride | Axel Vogel, Guido Steffan, Karl Mannes | 1982-07-27 |