Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6051723 | 3-aryl-tetronic acid derivatives | Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Christoph Erdelen, Ulrike Wachendorff-Neumann +3 more | 2000-04-18 |
| 5830825 | 3-aryl-tetronic acid derivatives, the production thereof and the use thereof as antiparasitic agents | Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Christoph Erdelen, Ulrike Wachendorff-Neumann +3 more | 1998-11-03 |
| 5708180 | Process for the preparation of 2-halogenopyridinealdehydes and novel 2-halogenopyridinealdehydes | Helmut Heitzer | 1998-01-13 |
| 5672718 | N-phenylacetamino nitriles | Reiner Fischer | 1997-09-30 |
| 5508436 | N-phenylacetamino nitriles intermediates and process for making pyrroline-2 - | Reiner Fischer | 1996-04-16 |
| 5386051 | Process for the preparation of 1,2,3-tricyanobenzene, phthalocyanines which are obtainable from 1,2,3-tricyanobenzene, and their use as pigments | Bernd Kaletta | 1995-01-31 |
| 5367069 | Metal-free, substituted phthalocyanines in the .chi.-modification | Bernd Kaletta | 1994-11-22 |
| 5322680 | Substituted 2-thiazolyl tetrazolium salt indicators | Jürgen Köcher, Klaus Wehling | 1994-06-21 |
| 5300656 | Coumarin derivatives, process for their preparation, their use and thiazolyl acetic acid derivatives as intermediates | Eberhard Kuckert, Florin Seng, Antonius Lobberding | 1994-04-05 |
| 5276008 | Substituted 4,5-diamino-1,2,4-triazol-3-(thi)ones | Dietmar Kuhnt, Kurt Findeisen, Michael Haug, Joachim Kluth, Klaus-Helmut Muller +6 more | 1994-01-04 |
| 5258394 | 1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and antimycotic agents containing them | Bernd Baasner, Helmut Heitzer, Klaus Schaller | 1993-11-02 |
| 5250498 | Herbicidal 2-iminopyridines | Roland Andree, Hauke Furstenwerth, Klaus Jelich, Peter Babczinski, Klaus Lurssen +2 more | 1993-10-05 |
| 5175336 | Fluoromethylated polycyanobenzenes, their alkali metal cyanide adducts, processes for their preparation and use of the fluoromethylated polycyanobenzenes | Wolfgang von der Emden, Helmut Heitzer, Friedrich W. Krock, Ernst Kysela, Albrecht Marhold | 1992-12-29 |
| 5138056 | Polycyanopyrimidines and process for their preparation | Ernst Kysela | 1992-08-11 |
| 5086172 | Preparation of 2,4,6-tricyano-1,3,5-triazine | — | 1992-02-04 |
| 5075326 | Pesticidal 4-halogeno-5-nitrothiazoles | Wilhelm Brandes, Stefan Dutzmann, Wilfried Paulus | 1991-12-24 |
| 5071865 | Pesticidal 2-acylamino-4-halogeno-5-nitrothiazoles | Stefan Dutzmann, Wilhelm Brandes, Wilfried Paulus | 1991-12-10 |
| 5066681 | 1-trifluoromethyl-1-nitro-2-alkoxy-2-aryl-ethanes, their preparation and antimycotic agents containing them | Bernd Baasner, Helmut Heitzer, Klaus Scaller | 1991-11-19 |
| 5051507 | Process for the preparation of 4,5,6-trichloropyrimidine | Karl H. Schundehutte, Kurt Findeisen, Hermann Henk | 1991-09-24 |
| 4962102 | Pesticidal 4-halogeno-5-nitrothiazoles | Wilheim Brandes, Stefan Dutzmann, Wilfried Paulus | 1990-10-09 |
| 4960899 | N-sulphenylated 2-amino-4-chloro-thiazole-sulphonamides, their use, process for their preparation, and the intermediates 2,4-dichlorothiazole-sulphonyl chloride and 2-amino-4-chloro-thiazole-sulphonamides | Bernd Baasner, Michael Schwamborn, Wilheim Brandes | 1990-10-02 |
| 4929743 | Novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamide herbicides | Heinz Forster, Erich Klauke, Hans-Joachim Santel, Robert R. Schmidt | 1990-05-29 |
| 4910316 | Process for preparing 2,4-dichloro-5-dichloromethyl-thiazole | Hans-Joachim Diehr | 1990-03-20 |
| 4906650 | N-sulphenylated 2-amino-4-chloro-thiazole-sulphonamides, their use, process for their preparation, and the intermediates 2,4-dichlorothiazole-sulphonyl chloride and 2-amino-4-chloro-thiazole-sulphonamides | Bernd Baasner, Michael Schwamborn, Wilhelm Brandes | 1990-03-06 |
| 4871851 | Cyano-trichloro-pyrido-pyrimidine and a process for preparing cyano-trichloro-pyrido-pyrimidine | — | 1989-10-03 |