Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KL

Klaus Langemann

Basf Se: 24 patents #509 of 13,826Top 4%
SGStudiengesellschaft Kohle Ggmbh: 2 patents #32 of 198Top 20%
Overall (All Time): #156,313 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
7151075 3-(4,5-Dihydroisoxazole-5-yl)benzoylpyrazole Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz +4 more 2006-12-19
7115545 Tricyclic benzoylpyrazole derivatives used as a herbicide Matthias Witschel, Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer +5 more 2006-10-03
7030063 Cyclohexenonquinolinoyl-derivatives as herbicidal agents Matthias Witschel, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Guido Mayer +8 more 2006-04-18
6908884 Benzazolonylcarbonylcyclohexenones and their use as herbicides Guido Mayer, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis +5 more 2005-06-21
6903221 Method for producing β-ketoenol esters Steffen Kudis, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn 2005-06-07
6831039 3-(heterocyclyl)-substituted benzolpyrazols Ulf Neidlein, Norbert Gotz, Ernst Baumann, Wolfgang Deyn, Steffen Kudis +6 more 2004-12-14
6815563 Method for producing bicyclic 1,3-diketones Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Thorsten Volk +1 more 2004-11-09
6713436 1-cycloalkylpyrazolyl-benzoyl derivatives Ulf Neidlein, Norbert Gotz, Ulf Misslitz, Roland Götz, Ernst Baumann +7 more 2004-03-30
6667333 Herbicidal 3-(4,5 dihydroisoxazole- 3 yl) substituted benzoycyclohexenone derivatives Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz +4 more 2003-12-23
6645919 3-(4,5-Dihydroisoxazol-5-yl)benzoylcyclohexenones and the use thereof as herbicides Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz +4 more 2003-11-11
6627581 Cyclopropyl-anellated 3-(4,5-dihydroisoxazol-3-yl)-substituted benzoylpyrazoles Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz +4 more 2003-09-30
6613719 3-(4,5-dihydroisoxazol-3-yl)-substituted benzoylpyrazoles Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz +4 more 2003-09-02
6613717 Phosphoric benzoyl derivatives and their use as herbicides Thorsten Volk, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer +6 more 2003-09-02
6599860 Herbicidal halogenalkyl-substituted 3-(4,5-dihydroisoxazol-3-yl)-benzoyl-cyclohexenones Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz +4 more 2003-07-29
6589915 Benzohetero cyclylcyclo hexenones and their use as herbicides Guido Mayer, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Ulf Misslitz +7 more 2003-07-08
6583089 Tricyclic benzoylcyclohexanedione derivatives Matthias Witschel, Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Guido Mayer +5 more 2003-06-24
6566307 &agr;,&agr;′-substituted n-alkyl-3-alkenylbenzoyl-pyrazol-derivatives Ulf Neidlein, Norbert Gotz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis +7 more 2003-05-20
6541423 4-(3′,4′-heterocyclyl benzoyl) pyrazoles as herbicidal agents Guido Mayer, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Ulf Misslitz +7 more 2003-04-01
6506708 3-(heterocyclyl)-benzoylpyrazole-derivatives Ulf Neidlein, Norbert Gotz, Ulf Misslitz, Roland Götz, Ernst Baumann +7 more 2003-01-14
6475957 N-cycloalkyl-3-alkenybenzoyl-pyrazole derivatives Ulf Neidlein, Norbert Gotz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis +7 more 2002-11-05
6440899 Cyclohexenonedioxothiochromanoyl derivatives Matthias Witschel, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel +7 more 2002-08-27
6410485 Saccharin-5-carbonyl derivatives with herbicidal effect Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer +8 more 2002-06-25
6352959 Thiochromanoylpyrazolone derivatives Ernst Baumann, Wolfgang Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz +6 more 2002-03-05
6348551 Selective olefin metathesis of bifunctional or polyfunctional substrates in compressed carbon dioxide as reaction medium Alois Fürstner, Walter Leitner, Daniel Koch, Christian Six 2002-02-19
6326333 Pyrazolyldioxothiochromanoyl derivatives Matthias Witschel, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel +6 more 2001-12-04