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USPTO Patent Rankings Data through Dec 31, 2025
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Bernhard Zipperer — 17 Patents

Basf Se: 17 patents #864 of 13,826Top 7%
Dirmstein, DE: #2 of 32 inventorsTop 7%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Bernhard Zipperer has been granted 17 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in June 1998. Bernhard Zipperer ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Bernhard Zipperer in Dirmstein, DE.

Patents per Year

Patents granted per year, 1990 to 1998Bar chart with a peak of 6 patents in 1992.peak 61990: 3 patents19901991: 2 patents19911992: 6 patents19921993: 3 patents19931994: 1 patents19941998: 2 patents1998

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5763659 Preparation of optically active 2-halopropionic acids Hans Rupert Merkle, Erich Fretschner, Hanspeter Hansen 1998-06-09
5753495 Process for the preparation of (L)-2-chloropropionic acid and its salts using lipase from pseudomonas Wolfgang Ladner, Hansjörg Rettenmaier, Hanspeter Hansen 1998-05-19
5290806 4-(4-tert-butylphenyl) cyclohexylamines, and fungicides containing same Eberhard Ammermann, Gisela Lorenz 1994-03-01
5266579 Certain pyridine derivatives and the use thereof as fungicides Hubert Sauter, Eberhard Ammermann, Gisela Lorenz 1993-11-30
5194441 3-substituted pyridines Thomas Zierke, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz 1993-03-16
5192767 3-substituted pyridines and fungicides containing them Norbert Goetz, Ernst Buschmann, Linhard Sproesser, Eberhard Ammermann, Gisela Lorenz 1993-03-09
5175167 Hetarylalkenes, their preparation and intermediates for their preparation and their use Manfred Lauer, Norbert Goetz, Thomas Zierke, Eberhard Ammermann, Gisela Lorenz 1992-12-29
5162329 Derivatives of beta-picoline and crop protection agents containing them Oliver Wagner, Norbert Goetz, Michael Keil, Eberhard Ammermann, Gisela Lorenz 1992-11-10
5162357 Fungicidal azolylmethyloxiranes Rainer Seele, Norbert Goetz, Reiner Kober, Eberhard Ammermann, Gisela Lorenz +1 more 1992-11-10
5134167 1-Azabutadienes and fungicides containing these compounds Manfred Lauer, Norbert Goetz, Gisela Lorenz, Eberhard Ammermann 1992-07-28
5122531 Vinylazoles and the use thereof for crop protection Rainer Seele, Wolfgang Rohr, Stefan Karbach, Lothar Rueb, Eberhard Ammermann +3 more 1992-06-16
5112828 Pyridine compounds which are useful as fungicides Hubert Sauter, Eberhard Ammermann, Gisela Lorenz 1992-05-12
5071851 Fungicidal cyclohexylamines Ernst Buschmann, Norbert Goetz, Eberhard Ammermann, Ernst-Heinrich Pommer 1991-12-10
5051409 2-Aminodecalin derivatives and their use Matthias Zipplies, Hubert Sauter, Norbert Goetz, Franz Roehl, Eberhard Ammermann +1 more 1991-09-24
4968676 Fungicidal cyclohexylamines Ernst Buschmannm, Norbert Goetz, Ulrich Schirmer, Eberhard Ammermann, Ernst-Heinrich Pommer 1990-11-06
4939157 Pyridine-N-oxides and fungicidal compositions containing same and fungical use Ernst Buschmann, Manfred Lauer, Eberhard Ammermann, Gisela Lorenz 1990-07-03
4897425 Fungicidal cyclohexylamines Ernst Buschmann, Norbert Goetz, Ulrich Schirmer, Eberhard Ammermann, Ernst-Heinrich Pommer 1990-01-30