Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5955452 | Covalent lipid-phosphono-carboxylic acid conjugates and application thereof as antiviral medicaments | Harald Zilch, Dieter Herrmann, Hans-George Opitz, Edgar Voss | 1999-09-21 |
| 5786371 | Pyridine and pyridazine derivatives, processes for the production thereof and pharmaceutical agents containing these compounds | Christos Tsaklakidis, Alfred Mertens, Wolfgang Schafer, Liesel Dorge | 1998-07-28 |
| 5698541 | 2,4-diphosphonoglutaric acid derivatives, processes for their production and pharmaceutical agents containing these compounds | Angelika Esswein, Christos Tsaklakidis, Frieder Bauss | 1997-12-16 |
| 5683994 | Phosphosuccinic acid derivatives, processes for the production thereof and pharmaceutical agents containing these compounds | Christos Tsaklakidis, Angelika Esswein, Frieder Bauss | 1997-11-04 |
| 5525480 | N- and O-substituted aminophenols, method and use for diagnosis | Dieter Mangold | 1996-06-11 |
| 5457200 | 3-aminopyrazolo heterocyclic derivatives, and use for colorimetric determinations | Joachim Siedel, Gunter Frey | 1995-10-10 |
| 5377208 | Transmission system with random error and burst error correction for a cyclically coded digital signal | Herbert Schneider-Obermann, Wolfgang Koch | 1994-12-27 |
| 5334505 | N- and O-substituted aminophenols, method and use for diagnosis | Dieter Mangold | 1994-08-02 |
| 5315035 | Aniline derivatives useful as color formers | Gunter Frey | 1994-05-24 |
| 5234818 | 3-aminopyrazolo heterocyclic derivatives, and use for colorimetric determinations | Joachim Siedel, Gunter Frey | 1993-08-10 |
| 5190862 | Chromogenic compounds and the use thereof as enzyme substrates | Hans Wielinger | 1993-03-02 |
| 5108890 | Chromogenic compounds, processes for the preparation thereof and use thereof as enzyme substrates | Hans Wielinger | 1992-04-28 |
| 5084382 | Agent and process for the detection of redox systems | Gunter Frey | 1992-01-28 |
| 4859602 | Process for the preparation of stereoisomers of 1-aminoalkylphosphonic and phosphinic acids | Josef Maier, Manfred Gloger | 1989-08-22 |
| 4820632 | Agent and process for the detection of redox systems | Gunter Frey | 1989-04-11 |
| 4765241 | Arrangement for normalized indication of printing ink supply having roller with adjustable speed | Dietrich Hank, Heinz Skiera | 1988-08-23 |
| 4250256 | Microbiological test device | Hans Wielinger, Walter Rittersdorf, Manfred Bleisteiner, Wolfgang Werner, Wolfgang Vomel | 1981-02-10 |