Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983612 | Process for producing phenothiazine granules | Jürgen Beyer, Dietmar Breier, Gunther Effenberger, Michael Roos, Jens Ruppert +1 more | 2006-01-10 |
| 5600020 | Process for the preparation of alkoxylates using ester compounds as catalyst | Gernot Kremer, Ignaz Wimmer | 1997-02-04 |
| 5492650 | Microbicidal agent containing polymeric quaternary ammonium borate for preserving and disinfecting industrial products and industrial plants | Frank-Peter Lang, Erich Gatter, Helmut Berenbold | 1996-02-20 |
| 5401809 | Polymer ammonium borates and processes for their preparation | Jorg Gitzel, Hans-Tobias Macholdt | 1995-03-28 |
| 5356542 | Mixtures of organic ammonium salts and their use as flow accelerators | Dieter Ohlendorf, Manfred Hofinger | 1994-10-18 |
| 5312553 | Mixtures of organic ammonium salts as flow accelerators | Dieter Ohlendorf, Manfred Hofinger | 1994-05-17 |
| 5187038 | Polymeric ammonium compounds as charge control agents | Jorg Gitzel, Hans-Tobias Macholdt | 1993-02-16 |
| 4970201 | Preservatives for cellulose containing products | Eberhard Giebeler, Helmut Hartner, Franz Konig, Helmut Berenbold | 1990-11-13 |