Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253323 | Method for the production of benzophenones | Volker Maywald, Nico Hoffmann, Michael Keil, Jan Hendrik Wevers | 2007-08-07 |
| 7119097 | Carboxylic acid derivatives, their preparation and their use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 2006-10-10 |
| 7109205 | Carboxylic acid derivatives, their preparation and use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 2006-09-19 |
| 6600043 | Carboxylic acid derivatives, their preparation and use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 2003-07-29 |
| 6559336 | Process for the preparation of 5- and/or 6-substituted-2-hydroxybenzoic acid esters | Andreas Pfrengle, Robert J. H. Scheffer, Stefan Scheiblich, Jan Hendrik Wevers, Robert F. Doehner, Jr. | 2003-05-06 |
| 6255489 | Method for producing (hetero)aromatic hydroxylamines | Ralf Klintz, Norbert Gotz, Michael Keil, Manfred Heilig, Horst Wingert +3 more | 2001-07-03 |
| 6197958 | Carboxylic acid derivatives, their preparation and use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 2001-03-06 |
| 6133451 | Method for producing 2-(3-pyrazolyl-oxymethylene) nitrobenzenes | Horst Wingert, Norbert Gotz, Michael Keil, Ralf Klintz, Josef Wahl | 2000-10-17 |
| 6040458 | Method for producing N-substituted 3-hydroxypyrazoles | Michael Keil, Ralf Klintz, Josef Wahl, Horst Wingert, Hartmann Konig +3 more | 2000-03-21 |
| 5969134 | Carboxylic acid derivatives, their preparation and use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 1999-10-19 |
| 5932730 | Carboxylic acid derivatives, their preparation and use | Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Muller +5 more | 1999-08-03 |
| 5840722 | Use of carboxylic acid derivatives as drugs | Ernst Baumann, Joachim Rheinheimer, Dagmar Klinge, Hartmut Riechers, Burkhard Kroger +5 more | 1998-11-24 |
| 5783521 | Substituted pyridylsalicylaldehyde or -salicylic acid derivatives, their preparation and their use as herbicides | Joachim Rheinheimer, Ernst Baumann, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter | 1998-07-21 |
| 5777118 | Process of making 2-salicyl(thio0r oxo) pyrimidine | Joachim Rheinheimer, Ernst Baumann, Hartmann Konig, Matthias Gerber, Karl-Otto Westphalen +1 more | 1998-07-07 |
| 5753594 | 3-halo-3-hetarylcarboxylic acid derivatives, and processes and intermediates for their preparation | Ernst Baumann, Albrecht Harreus, Matthias Bratz, Joachim Rheinheimer, Hans Theobald +4 more | 1998-05-19 |
| 5750469 | Subtituted lactic acid derivatives having an N-organic radical in the .beta . | Ernst Baumann, Joachim Rheinheimer, Matthias Gerber, Wilhelm Rademacher, Helmut Walter +1 more | 1998-05-12 |
| 5703017 | 3-(Het) arylcarboxylic acid derivatives, their preparation and intermediates for their preparation | Ernst Baumann, Joachim Rheinheimer, Matthias Bratz, Hans Theobald, Matthias Gerber +3 more | 1997-12-30 |
| 5661106 | 3-(Het)aryloxy(thio)carboxylic acid derivatives, their preparation and intermediates for their preparation | Ernst Baumann, Joachim Rheinheimer, Matthias Bratz, Norbert Meyer, Matthias Gerber +3 more | 1997-08-26 |
| 5627136 | Pyridine-N-oxide-substituted salicylaldehyde or salicyclic acid derivatives, their preparation and their use as herbicides | Joachim Rheinheimer, Ernst Baumann, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter | 1997-05-06 |
| 5569640 | Substituted 1,3-benzadioxane-4-ones and 1,3-benzathioxane-4-ones, their preparation and their conversion to crop protection agents | Joachim Rheinheimer, Ernst Baumann, Hartmann Konig, Matthias Gerber, Karl-Otto Westphalen +1 more | 1996-10-29 |
| 5362876 | Salicylaldehyde and salicylic acid derivatives and sulfur analogs thereof, their preparation and intermediates therefor | Karl Eicken, Joachim Rheinheimer, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter | 1994-11-08 |
| 5360913 | Salicyclic acid derivatives | Joachim Rheinheimer, Karl Eicken, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter | 1994-11-01 |
| 5326744 | Glycol aldehyde and lactic acid derivatives and the preparation and use thereof | Joachim Rheinheimer, Ernst Baumann, Thomas Saupe, Matthias Bratz, Norbert Meyer +4 more | 1994-07-05 |
| 5318945 | Thiocarboxylic acid derivatives | Ernst Baumann, Thomas Saupe, Joachim Rheinheimer, Matthias Bratz, Norbert Meyer +5 more | 1994-06-07 |
| 5308828 | Salicylaldehyde and salicylic acid derivatives and sulfur analogs thereof | Karl Eicken, Joachim Rheinheimer, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter | 1994-05-03 |