Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929758 | Preparation of tert-butylamine from isobutene | Wolfgang Hoelderich, Rudolf Kummer, Wolf D. Mross, Guenter Saladin | 1990-05-29 |
| 4929759 | Production of amines from an olefin and ammonia or a primary or secondary amine | Wolfgang Hoelderich, Rudolf Kummer, Wolf D. Mross, Guenter Saladin | 1990-05-29 |
| 4801738 | Preparation of .delta.-formylvalerates | Heinz-Walter Schneider, Rudolf Kummer | 1989-01-31 |
| 4523027 | Purification of carboxylates containing aldehydes, acetals and/or unsaturated compounds | Rudolf Kummer, Heinz-Walter Schneider, Franz-Josef Weiss | 1985-06-11 |
| 4454358 | Continuous production of ethanol and plural stage distillation of the same | Rudolf Kummer, Heinz-Walter Schneider | 1984-06-12 |
| 4350572 | Purification of carboxylic acid esters containing aldehydes and/or acetals | Rudolf Kummer, Franz Weis, Heinz-Walter Schneider | 1982-09-21 |
| 4316047 | Preparation of C.sub.1 -C.sub.4 -alkyl pent-3-enoates | Rudolf Kummer, Franz-Josef Weiss, Heinz-Walter Schneider | 1982-02-16 |
| 4310686 | Preparation of butanedicarboxylic esters | Rudolf Kummer, Heinz-Walter Schneider, Franz-Josef Weiss | 1982-01-12 |