Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5245058 | Preparation of 1-nitroanthraquinone-2-carboxylic acids | Jacques Dupuis, Michael Acker, Udo Bergmann | 1993-09-14 |
| 5216171 | 2-amino-4-trichloropyridine derivatives | Hans Ziegler, Juergen Pfister, Gerhard Nilz, Gisela Lorenz, Juergen Dressel | 1993-06-01 |
| 5198575 | Preparation of nitrobenzoic and anthranilic acids | Jacques Dupuis | 1993-03-30 |
| 5196573 | Process for the preparation of sulfonated anthranilic acids | Manfred Patsch, Klaus Pandl, Jacques Dupuis | 1993-03-23 |
| 5175265 | Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothiazole series and a coupling compound from the aminopyrazole or hydroxypyridone series | Guenter Hansen, Helmut Reichelt | 1992-12-29 |
| 5167695 | Derivatives of quinoline fused to a five-membered heterocyclic ring | Gunter Brill, Karl-Otto Westphalen, Bruno Wuerzer | 1992-12-01 |
| 5130434 | Preparation of 3-methylquinoline-8-carboxylic acid | Jacques Dupuis, Karlheinz Arbogast | 1992-07-14 |
| 5104441 | Herbicidal sulfonamides and their use to influence plant growth | Gerhard Hamprecht, Thomas Liese-Sauer, Norbert Meyer, Bruno Wuerzer | 1992-04-14 |
| 5059240 | 2,3-substituted 1,8-naphthyridines, their preparation and their use as antidotes | Juergen Pfister, Hans Ziegler, Bruno Wuerzer, Karl-Otto Westphalen | 1991-10-22 |
| 5035736 | Herbicides which contain 2-(4-aryloxy)phenoxyacetic or -propionic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and naphthalene derivatives as antidotes | Juergen Pfister, Ulrich Eichenauer, Bruno Wuerzer, Wilfried Helbig, Karl-Otto Westphalen | 1991-07-30 |
| 5006659 | Preparation of 7-chloroquinoline-8-carboxylic acids | Jacques Dupuis, Heinz Eilingsfeld | 1991-04-09 |
| 4994564 | Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series | Karl-Heinz Etzbach, Helmut Reichelt, Guenter Hansen, Ernst Schefczik, Gunther Lamm | 1991-02-19 |
| 4957608 | Preparation of 8-bromomethyl-3-methylquinoline compounds | Rolf-Dieter Kohler, Jacques Dupuis | 1990-09-18 |
| 4857103 | Influencing the development of crops with 7-chloroquinoline-8-carboxylic acids | Henning Rosebrock, Johann Jung, Wilhelm Rademacher, Max Luib, Volker Fischer +3 more | 1989-08-15 |
| 4845226 | Preparation of 8-bromomethyl-3-methylquinoline compounds | Rolf-Dieter Kohler, Jacques Dupuis | 1989-07-04 |
| 4832731 | Quinoline-8-carboxylic acid azolides and their use as herbicides | Peter Plath, Karl Eicken, Rolf-Dieter Kohler, Juergen Markert, Norbert Meyer +1 more | 1989-05-23 |
| 4808212 | Oxime esters of substituted quinoline-8-carboxylic acids and use thereof as herbicides | Peter Plath, Karl Eicken, Bernd Zeeh, Ulrich Eichenauer, Rolf-Dieter Kohler +2 more | 1989-02-28 |
| 4804404 | 2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth | Ulrich Eichenauer, Rolf-Dieter Kohler, Peter Plath, Thomas Liese-Sauer, Karl Eicken +2 more | 1989-02-14 |
| 4797148 | Quinoline derivatives and their use for controlling undesirable plant growth | Ulrich Eichenauer, Peter Plath, Norbert Meyer, Bruno Wuerzer | 1989-01-10 |
| 4717416 | 3,7-dichloro-8-quinoline derivatives, and their use for controlling undersirable plant growth | Rolf-Dieter Kohler, Juergen Markert, Bruno Wuerzer | 1988-01-05 |
| 4715889 | Quinoline derivatives and their use for controlling undesirable plant growth | Rolf-Dieter Kohler, Jurgen Markert, Bruno Wuerzer | 1987-12-29 |
| 4699983 | 2-amino-4-trichloromethylpyridine and its preparation | Hans Ziegler, Rolf-Dieter Kohler, Ernst-Heinrich Pommer, Jurgen Dressel | 1987-10-13 |
| 4667035 | Substituted triazanonanes and process for their preparation | Rolf-Dieter Kohler | 1987-05-19 |
| 4632696 | Dichloroquinoline derivatives for use as herbicides | Juergen Markert, Bruno Wuerzer | 1986-12-30 |
| 4617395 | Preparation of quinolines | Toni Dockner, Herbert Krug | 1986-10-14 |