Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997912 | Esters of fatty acids, which may be quaternized, from oxalkylated alkylalkylenediamines | Herbert Wirtz, Hermann Hoffmann, Werner Ritschel, Manfred Hofinger, Dietrich Wolter | 1991-03-05 |
| 4404082 | Bipolar electrode for anodic processes in undivided cells | Jurgen Cramer, Rudolf Pistorius | 1983-09-13 |
| 4322271 | Process for the preparation of N-vinyl-N-alkyl-carboxylic acid amides | Harald Jensen, Erwin Schmidt, Jurgen Cramer, Rudolf Pistorius, Hartmut Pietsch +1 more | 1982-03-30 |
| 4288300 | Process for the manufacture of N-.alpha.-alkoxyethyl-carboxylic acid amides | Jurgen Cramer, Rudolf Pistorius | 1981-09-08 |
| 4234484 | Process for the preparation of cyclic enamides | Klaus Warning | 1980-11-18 |