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USPTO Patent Rankings Data through Dec 31, 2025
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Norbert Meyer — 103 Patents

Basf Se: 99 patents #44 of 13,826Top 1%
Ladenburg, DE: #2 of 141 inventorsTop 2%
Overall (All Time): #13,706 of 4,157,543Top 1%
103 Patents All Time
Norbert Meyer has been granted 103 US patents while listed as an inventor at Basf Se. The first was granted in 1984 and the most recent in March 1998. Norbert Meyer ranks #13,706 of 4,157,543 US inventors in our database (top 0.33%). Patent records list Norbert Meyer in Ladenburg, DE.

Issued Patents All Time

Showing 1–25 of 103 patents

Patent #TitleCo-InventorsDate
5723413 Substituted naphthyridines and their herbicidal use Matthias Bratz, Hartmann Konig, Helmut Walter, Matthias Gerber, Karl-Otto Westphalen 1998-03-03
5661106 3-(Het)aryloxy(thio)carboxylic acid derivatives, their preparation and intermediates for their preparation Ernst Baumann, Joachim Rheinheimer, Uwe Josef Vogelbacher, Matthias Bratz, Matthias Gerber +3 more 1997-08-26
5637554 5-substituted 4-methyl-5H-indeno[3,2-b]pyridines and 9-substituted 1-methyl-9H-indeno[2,3-c]pyridines, their preparation and use as herbicides and plant growth regulators Costin Rentzea, Juergen Kast, Peter Plath, Hartmann Koenig, Albrecht Harreus +5 more 1997-06-10
5618775 Mixtures of optically active cyclohexenone oxime ethers, their preparation, intermediates for this purpose and their use as herbicides Ulf Misslitz, Juergen Kast, Wolfgang Ladner, Helmut Walter, Karl-Otto Westphalen +2 more 1997-04-08
5604183 Cyclohexenone oxime ethers Ulf Misslitz, Juergen Kast, Matthias Bratz, Albrecht Harreus, Helmut Walter +2 more 1997-02-18
5597776 Substituted pyrido[2, 3-dipyrimidines as antidotes for herbicidal cyclohexenones Matthias Bratz, Reiner Kober, Rainer Seele, Thomas Saupe, Nigel Pelham Clinton Walker +2 more 1997-01-28
5574000 Cyclohexenone oxime ethers, their preparation and their use as herbicides Juergen Kast, Dieter Kolassa, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more 1996-11-12
5563114 Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides Juergen Kast, Ulf Misslitz, Albrecht Harreus, Norbert Goetz, Bruno Wuerzer +3 more 1996-10-08
5554582 Cyclohexenone compounds, their preparation and their use for controlling undesirable plant growth Michael Keil, Ulrich Schirmer, Dieter Kolassa, Juergen Kast, Bruno Wuerzer 1996-09-10
5523462 Cyclohexenone derivatives Juergen Kast, Thomas Zierke, Matthias Bratz, Ulf Misslitz, Andreas Landes +3 more 1996-06-04
5514642 Cyclohexenone oxime ethers, their preparation and their use Ulf Misslitz, Juergen Kast, Dieter Kolassa, Helmut Walter, Karl-Otto Westphalen +2 more 1996-05-07
5508412 Phthalimides useful as intermediate compounds Juergen Kast, Ulf Misslitz, Albrecht Harreus, Harald Rang, Matthias Gerber +2 more 1996-04-16
5496792 Cyclohexenone oxide ethers and use thereof as herbicides Ulf Misslitz, Juergen Kast, Kaspar Bott, Helmut Walter, Karl-Otto Westphalen +2 more 1996-03-05
5446168 Naphthindazole-4,9-quinones Klaus Ditrich, Gerhard Hamprecht, Bruno Wuerzer, Karl-Otto Westphalen, Hartmut Laatsch 1995-08-29
5411936 Cyclohexenone oxime ethers, and their use as herbicides Juergen Kast, Dieter Kolassa, Ulrich Schirmer, Albrecht Harreus, Jochen Wild +2 more 1995-05-02
5407896 Unsaturated cyclohexenone oxime ethers and herbicidal compositions thereof Juergen Kast, Ulf Misslitz, Albrecht Harreus, Harald Rang, Matthias Gerber +2 more 1995-04-18
5403812 Unsaturated cyclohexenone oxime ethers and herbicidal compositions thereof Juergen Kast, Ulf Misslitz, Albrecht Harreus, Harald Rang, Matthias Gerber +2 more 1995-04-04
5389602 Herbicidal tetrahydropyran-2,4-diones Juergen Kast, Dieter Kolassa, Bruno Wuerzer, Karl-Otto Westphalen, Wilhelm Rademacher +1 more 1995-02-14
5374609 Cyclohexenone oxime ethers and their use as herbicides Juergen Kast, Ulf Misslitz, Albrecht Harreus, Thomas Kuekenhoehner, Harald Rang +3 more 1994-12-20
5364833 Cyclohexenone oxime ethers, their preparation and their use as herbicides Juergen Kast, Ulf Misslitz, Albrecht Harreus, Helmut Walter, Matthias Gerber +1 more 1994-11-15
5342824 N-aryltetrahydrophthalimide compounds Lothar Rueb, Karl Eicken, Peter Plath, Barbara Schwalge, Karl-Otto Westphalen +1 more 1994-08-30
5330965 Cyclohexenone oxime ethers and their use as herbicides Ulf Misslitz, Juergen Kast, Norbert Goetz, Albrecht Harreus, Thomas Kuekenhoehner +4 more 1994-07-19
5326744 Glycol aldehyde and lactic acid derivatives and the preparation and use thereof Joachim Rheinheimer, Ernst Baumann, Uwe Josef Vogelbacher, Thomas Saupe, Matthias Bratz +4 more 1994-07-05
5318945 Thiocarboxylic acid derivatives Ernst Baumann, Thomas Saupe, Joachim Rheinheimer, Uwe Josef Vogelbacher, Matthias Bratz +5 more 1994-06-07
5290755 Salicylic acid derivatives as selective herbicides Uwe Josef Vogelbacher, Joachim Rheinheimer, Thomas Saupe, Matthias Gerber, Karl-Otto Westphalen +1 more 1994-03-01