HW

Helmut Walter

Basf Se: 217 patents #7 of 13,826Top 1%
US USDA: 1 patents #1,162 of 2,828Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Obrigheim, MS: #1 of 1 inventorsTop 100%
Overall (All Time): #2,737 of 4,157,543Top 1%
219
Patents All Time

Issued Patents All Time

Showing 51–75 of 219 patents

Patent #TitleCo-InventorsDate
6448205 Substituted 2-phenylpyridine as herbicide Peter Schafer, Michael Rack, Gerhard Hamprecht, Karl-Otto Westphalen, Ulf Misslitz +3 more 2002-09-10
6440899 Cyclohexenonedioxothiochromanoyl derivatives Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann +7 more 2002-08-27
6432881 2-benzoylcyclohexane-1,3-dione as herbicides Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill +6 more 2002-08-13
6432880 Substituted 2-phenylpyridines as herbicides Olaf Menke, Markus Menges, Ingo Sagasser, Gerhard Hamprecht, Robert Reinhard +3 more 2002-08-13
6420314 Substituted 2-phenyl pyridines, their manufacture and use as herbicides Gerhard Hamprecht, Peter Schafer, Markus Menges, Olaf Menke, Robert Reinhard +3 more 2002-07-16
6413911 Herbicidal sulfonylureas, their preparation and use Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber 2002-07-02
6410485 Saccharin-5-carbonyl derivatives with herbicidal effect Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann +8 more 2002-06-25
6407268 Substituted 4-benzoylpyrazoles Stefan Engel, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff +6 more 2002-06-18
6387849 Herbicidal hydroximic acid derivatives Olaf Menke, Gerhard Hamprecht, Markus Menges, Robert Reinhard, Peter Schafer +3 more 2002-05-14
6383986 Substituted 2-(benzoaryl)pyridines Markus Menges, Gerhard Hamprecht, Olaf Menke, Robert Reinhard, Peter Schafer +3 more 2002-05-07
6372693 Substituted 2-(3-alkenyl-benzoyl)-cyclohexane-1,3-diones Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff +7 more 2002-04-16
6369003 Process and composition for soil improvement by reducing microbially formed ethylene in the soil Wilhelm Rademacher, Eberhard P. Schott, Dale R. Carlson, Lisa P. Schell, Charles W. Helpert +4 more 2002-04-09
6365552 Substituted 3-phenylpyrazoles Christoph-Sweder von dem Bussche-Hunnefeld, Ralf Klintz, Gerhard Hamprecht, Elisabeth Heistracher, Peter Schafer +5 more 2002-04-02
6362133 Synergistically active herbicidal mixtures Max Landes, Bernd Sievernich, Elmar Kibler, Wessel Nuyken, Karl-Otto Westphalen +5 more 2002-03-26
6352959 Thiochromanoylpyrazolone derivatives Klaus Langemann, Ernst Baumann, Wolfgang Deyn, Steffen Kudis, Guido Mayer +6 more 2002-03-05
6337305 Substituted 2-benz(o)ylpyridines, their preparation and their use as herbicides Peter Schafer, Gerhard Hamprecht, Markus Menges, Olaf Menke, Michael Rack +3 more 2002-01-08
6326333 Pyrazolyldioxothiochromanoyl derivatives Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann +6 more 2001-12-04
6323154 3-aryluracils and intermediates for their preparation Ralf Klintz, Norbert Gotz, Peter Schafer, Gerhard Hamprecht, Elisabeth Heistracher +4 more 2001-11-27
6320046 Herbicidal sulfonylureas, their preparation and use Horst Mayer, Gerhard Hamprecht, Karl-Otto Westphalen, Matthias Gerber 2001-11-20
6310245 3-aminocarbonyl/3-aminothiocarbonyl-substituted 2-benzoyl-cyclohexan-1,3-diones with herbicidal effect Uwe Kardorff, Regina Luise Hill, Michael Rack, Wolfgang von Deyn, Stefan Engel +7 more 2001-10-30
6291682 Pyrazol-4-ylbenzoyl derivatives and their use as herbicides Martina Otten, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff +5 more 2001-09-18
6277790 Substituted herbicide tetrazolinonecarboxylic acid amides Cyrill Zagar, Gerhard Hamprecht, Markus Menges, Olaf Menke, Robert Reinhard +3 more 2001-08-21
6271179 Benzylidene pyrazolones, production and use thereof Joachim Rheinheimer, Matthias Witschel, Stefan Engel, Ernst Baumann, Wolfgang von Deyn +6 more 2001-08-07
6268311 1-Amino-3-benzyluracils Olaf Menke, Ralf Klintz, Gerhard Hamprecht, Elisabeth Heistracher, Peter Schafer +4 more 2001-07-31
6265352 Substituted carbamoyl triazoles and their use as herbicides Ernst Baumann, Cyrill Zagar, Uwe Kardorff, Ulf Misslitz, Karl-Otto Westphalen +1 more 2001-07-24