Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305888 | Manufacture of salts of dicarboxylic acids and diamines | Rudolf Kummer, Rolf Platz | 1981-12-15 |
| 4259520 | Preparation of butanedicarboxylic acid esters | Rudolf Kummer, Franz-Josef Weiss | 1981-03-31 |
| 4258203 | Preparation of butanedicarboxylic acid esters | Rolf Platz, Rudolf Kummer | 1981-03-24 |
| 4256909 | Preparation of dimethyl butanedicarboxylates | Rudolf Kummer, Franz-Josef Weiss, Otto Lemann | 1981-03-17 |