Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440051 | Process for the .alpha.-chlorination of aryl ethers | Albrecht Marhold | 1995-08-08 |
| 5334724 | Preparation of substituted 2-chloropyridines | Dieter Kaufmann, Rudolf Braden, Winfried Rosen | 1994-08-02 |
| 5332824 | Process for the preparation of 2-amino-5-methyl-pyridine | Eric Rivadeneira | 1994-07-26 |
| 5329011 | Process for the preparation of 2-chloro-5-chloromethyl-pyridine, and new intermediates | — | 1994-07-12 |
| 5288732 | 2-cyano-2-alkoximino-acetamides | Herbert Gayer, Winfried Lunkenheimer, Wilhelm Brandes, Gerd Hanssler | 1994-02-22 |
| 5258526 | Process for the preparation of 3-substituted 4-cyano-pyrrole compounds | Peter C. Knuppel, Reinhard Lantzsch, Peter Andres, Albrecht Marhold | 1993-11-02 |
| 5250498 | Herbicidal 2-iminopyridines | Roland Andree, Hauke Furstenwerth, Gunther Beck, Peter Babczinski, Klaus Lurssen +2 more | 1993-10-05 |
| 5233043 | 2-alkoxy-5-alkoxymethyl-pyridines and a process for their preparation | — | 1993-08-03 |
| 5116993 | Process for the preparation of 2-chloro-5-chloromethylpyridine, and new intermediates | — | 1992-05-26 |
| 5103011 | Preparation of 2-chloro-5- methyl-pyridine | Dieter Kaufmann, Bernd Gallenkamp, Reinhard Lantzsch | 1992-04-07 |
| 5099025 | Preparation of 2-chloro-5-methyl-pyridine | Dieter Kaufmann | 1992-03-24 |
| 5091068 | Preparation of 3-trichloromethyl-pyridine | Hans Lindel | 1992-02-25 |
| 5051513 | Preparation of chlorinated nicotinaldehydes | — | 1991-09-24 |
| 5013351 | Triazolo-pyrimidine-2-sulphonamides useful as herbicides | Wolfgang Kramer, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1991-05-07 |
| 4990622 | Process for the preparation of 2-chloro-5-chloromethylpyridine | — | 1991-02-05 |
| 4988718 | Pesticidal substituted 4-heterocyclyloximino-pyrazolin-5-ones, compositions and use | Kurt Findeisen, Gerd Hanssler | 1991-01-29 |
| 4981507 | Herbicidal triazoloazines | Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1991-01-01 |
| 4968687 | Pesticidal substituted 4-heterocyclyloximino-pyrazolin-5-ones, compositions and use | Kurt Findeisen, Gerd Hanssler | 1990-11-06 |
| 4960455 | Herbicidal triazolodihydropyrimidine-2-sulphonamides | Peter Babczinski, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1990-10-02 |
| 4958025 | Preparation of 2-chloro-5-chloromethylpyridine | — | 1990-09-18 |
| 4929738 | Thienyl and furyl containing derivatives | Wilhelm Brandes, Gerd Hanssler, Paul Reinecke | 1990-05-29 |
| 4921993 | Substituted benzamide fungicides | Herbert Gayer, Wolfgang Kramer, Wilhelm Brandes | 1990-05-01 |
| 4886833 | 2-cyano-2-alkoximino-acetamides | Herbert Gayer, Winfried Lunkenheimer, Wilhelm Brandes, Gerd Hanssler | 1989-12-12 |
| 4874424 | Herbicidal agents | Herbert Gayer, Wolfgang Kramer, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang | 1989-10-17 |
| 4864029 | Isothiazole and Isoxazole derivatives | Wilhelm Brandes, Gerd Hanssler, Paul Reinecke | 1989-09-05 |