Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332464 | Process for preparing bleach activator cogranulates | Johannes Himmrich, Helmut Kramer | 2008-02-19 |
| 6214785 | Bleach activator granules | Johannes Himmrich | 2001-04-10 |
| 5716569 | Granulated bleaching activators and their preparation | Helmut Berenbold, Georg Borchers, Gerhard Noltner, Gerd Reinhardt, Wilfried Schuler | 1998-02-10 |
| 5100576 | Process for the preparation of a readily soluble bleach activator granulate with a long shelf life | Helmut Kramer, Gerhard Noltner, Wilfried Schuler | 1992-03-31 |
| 4404082 | Bipolar electrode for anodic processes in undivided cells | Rudolf Pistorius, Michael Mitzlaff | 1983-09-13 |
| 4322271 | Process for the preparation of N-vinyl-N-alkyl-carboxylic acid amides | Harald Jensen, Erwin Schmidt, Michael Mitzlaff, Rudolf Pistorius, Hartmut Pietsch +1 more | 1982-03-30 |
| 4288300 | Process for the manufacture of N-.alpha.-alkoxyethyl-carboxylic acid amides | Michael Mitzlaff, Rudolf Pistorius | 1981-09-08 |
| 4203811 | Process for the manufacture of p-benzoquinone-diketals | — | 1980-05-20 |
| 4203821 | Apparatus for carrying out electrochemical reactions and correspondingly suitable bipolar electrodes | Werner Lindner | 1980-05-20 |