Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292669 | Agents for the detection of substrates with hydrolase activity | Hans-Joachim Guder, Wolfgang Weckerle, Johann Berger, Harvey Buck, Rupert Herrmann | 1994-03-08 |
| 5260428 | Agent for the detection of substances with hydrolase activity | Rupert Herrmann, Hans-Joachim Guder, Manfred Kuhr, Johann Berger, Harvey Buck | 1993-11-09 |
| 5202233 | Process for the detection of substances with hydrolase activity | Rupert Herrmann, Hans-Joachim Guder, Manfred Kuhr, Johann Berger, Harvey Buck | 1993-04-13 |
| 4966855 | New redox indicators | Ulfert Deneke, Wolfgang Weckerle, Hans Wielinger | 1990-10-30 |
| 4665023 | Imidazole derivatives as redox indicators | Ulfert Deneke, Manfred Kuhr, Hartmut Merdes, Hans-Rudiger Murawski, Hans Wielinger | 1987-05-12 |
| 4442033 | Azo dyestuff for use as a chromogen in detecting leukocytes | Dieter Berger, Franz-Josef Braun, Gunter Frey, Manfred Kuhr | 1984-04-10 |
| 4385114 | Oxidation indicators comprising 3,3',5,5'-tetraalkylbenzidine compounds | Walter Rittersdorf, Hugo Tiedemann, Peter Vogel, Wolfgang Werner | 1983-05-24 |
| 4331760 | Diagnostic agent for the detection of leukocytes and chromogens useful therein | Dieter Berger, Franz-Josef Braun, Gunter Frey, Wolfgang Werner | 1982-05-25 |
| 4297271 | Guaiaconic acid A from guaiac resin | Hans Wielinger, Walter Rittersdorf, Wolfgang Werner | 1981-10-27 |
| 4296202 | Diagnostic composition for the detection of leukocytes and chromogens useful therein | Dieter Berger, Franz-Josef Braun, Gunter Frey, Manfred Kuhr | 1981-10-20 |
| 4278763 | Diagnostic agents for the detection of proteolytic enzymes | Dieter Berger, Franz-Josef Braun, Manfred Kuhr, Wolfgang Werner | 1981-07-14 |
| 4260777 | Diagnostic agent for the detection of protein in body fluids | Walter Rittersdorf, Wolfgang Werner, Hanz-Georg Rey, Peter Rieckmann | 1981-04-07 |
| 4245096 | Bis-(2,4-dinitrophenyl)-methyl-pyridinium and quinolinium compounds | Anselm Rothe, Walter Rittersdorf, Wolfgang Werner | 1981-01-13 |
| 4219336 | Diagnostic agent and method for the detection of occult blood in feces | Hans Wielinger, Walter Rittersdorf, Wolfgang Werner | 1980-08-26 |