Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414192 | Process for preparing 4-aminodiphenylamine | Michael Schelhaas, Carl Casser, Dietmar Bielefeldt, Pieter Ooms, Joachim Haider +2 more | 2002-07-02 |
| 6316673 | Process for producing aminodiphenylamines | Torsten Pohl, Uwe Hugger, Adolf Sicheneder, Fred Schuhmacher, Adolf Brill | 2001-11-13 |
| 6303820 | Process for the preparation of nitrosobenzenes | Walter Lange, Michaela Meiers, Raul Pires | 2001-10-16 |
| 6274775 | Process for the preparation of nitrosobenzenes | Michaela Meiers, Uwe Hugger | 2001-08-14 |
| 6235937 | Process for the preparation of nitrodiphenylamines | Walter Lange, Torsten Pohl, Adolf Sicheneder, Christoph Schild | 2001-05-22 |
| 6207671 | Cycloalkano-pyridines | Gunter Schmidt, Arndt Brandes, Rolf Angerbauer, Michael Logers, Matthias Muller-Gliemann +9 more | 2001-03-27 |
| 6166256 | Process for preparing (4-nitro-sophenyl)phenylhydroxylamine | Carl Casser, Pieter Ooms, Michael Schelhaas, Christian Laue, Michaela Meiers +1 more | 2000-12-26 |
| 6069148 | Cycloalkano-pyridines | Gunter Schmidt, Arndt Brandes, Rolf Angerbauer, Michael Logers, Matthias Muller-Gliemann +9 more | 2000-05-30 |
| 5869731 | Method for reducing the toxicity of spent liquors and novel cationic dyes | Felix Reichel, Horst Berneth | 1999-02-09 |
| 5866353 | Electro chemical biosensor containing diazacyanine mediator for co-enzyme regeneration | Horst Berneth, Thomas Böcker, Alison J. Murray, Hans-Ulrich Siegmund | 1999-02-02 |
| 5749925 | Dyeing or printing process with new and known cationic 4,5-dihydro-iH-1,2,3-triazolium compounds as dyestuffs and new cationic 4,5-dihydro-1H-1,2,3-triazolium compounds | Thomas Böcker, Horst Berneth | 1998-05-12 |
| 5725607 | Method for reducing the toxicity of spent liquors and novel cationic dyes | Felix Reichel, Horst Berneth, Thomas Böcker, Karin Hassenruck, Karl-Heinrich Lange +1 more | 1998-03-10 |