Patents by Inventor Martina Otten

Martina Otten has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9045465
    Abstract: Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives; compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: June 2, 2015
    Assignee: BASF SE
    Inventors: Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Ernst Baumann, Stefan Engel, Guido Mayer, Matthias Witschel, Michael Rack, Norbert Götz, Joachim Gebhardt, Ulf Miβlitz, Helmut Walter, Karl-Otto Westphalen, Martina Otten, Joachim Rheinheimer
  • Patent number: 7842646
    Abstract: A synergistic herbicidal mixture comprising A) at least one compound of the formula I wherein R1, R3 are hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, alkylsulfinyl or alkylsulfinyl; R2 is optionally substituted thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl; R4 is hydrogen, halogen or alkyl; R5 is alkyl; R6 is hydrogen or alkyl; or one of its environmentally compatible salts; and B) a synergistically effective amount of at least one herbicidal compound from the group of ACC inhibitors, ALS inhibitors, amides, aixin herbicides, auxin transport inhibitors, carotenoid biosynthesis inhibitors, ESPS inhibitors, glutamine synthetase inhibitors, lipid biosynthesis inhibitors, mitosis inhibitors, protoporphyrinogen IX oxidase inhibitors, photosynthesis inhibitors, synergists, growth substances, cell wall biosynthesis inhibitors and a variety of other herbicides.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: November 30, 2010
    Assignee: BASF SE
    Inventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
  • Patent number: 7608564
    Abstract: Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives; compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: October 27, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Ernst Baumann, Stefan Engel, Guido Mayer, Matthias Witschel, Michael Rack, Norbert Götz, Joachim Gebhardt, Ulf Miβlitz, Helmut Walter, Karl-Otto Westphalen, Martina Otten, Joachim Rheinheimer
  • Publication number: 20080039327
    Abstract: Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives; compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 14, 2008
    Inventors: Wolfgang Deyn, Regina Hill, Uwe Kardorff, Ernst Baumann, Stefan Engel, Guido Mayer, Matthias Witschel, Michael Rack, Norbert Gotz, Joachim Gebhardt, Ulf MiBlitz, Helmut Walter, Karl-Otto Westphalen, Martina Otten, Joachim Rheinheimer
  • Publication number: 20070197393
    Abstract: Tricyclic benzoylpyrazole derivatives of the formula I where: X is oxygen, sulfur, S?O, S(?O)2, CR6R7, NR8 or a bond; Y together with the two carbons to which it is attached forms a saturated, partially saturated or unsaturated 5- or 6-membered heterocycle; R1, R2, R6, R7 are hydrogen, alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is halogen, alkyl, haloalkyl, alkoxy or haloalkoxy; R4 is hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, unsubstituted or substituted aminosulfonyl or unsubstituted or substituted sulfonylamino; R5 is hydrogen, alkyl or halogen; l is 0, 1 or 2; R8 is hydrogen, alkyl, haloalkyl, alkylcarbonyl, formyl, alkoxycarbonyl, haloalkoxycarbonyl, alkylsulfonyl or haloalkylsulfonyl; R9 is substituted pyrazol-4-ylcarbonyl or substituted 5-oxopyrazolin-4-ylmethylidene; and their agriculturally useful salts; processes and intermediates for preparing the tricyclic benzoylpyr
    Type: Application
    Filed: August 1, 2006
    Publication date: August 23, 2007
    Inventors: Matthias Witschel, Steffen Kudis, Klaus Langemann, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 7232792
    Abstract: Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1–C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives, compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: June 19, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Ernst Baumann, Stefan Engel, Guido Mayer, Matthias Witschel, Michael Rack, Norbert Götz, Joachim Gebhardt, Ulf Miβlitz, Helmut Walter, Karl-Otto Westphalen, Martina Otten, Joachim Rheinheimer
  • Patent number: 7115545
    Abstract: Tricyclic benzoylpyrazole derivatives of the formula I wherein X, Y, R1, R2, R6, R7, R3, R4, R5, l, R8 and R9 are as defined in the disclosure and their agriculturally useful salts; processes and intermediates for preparing the tricyclic benzoylpyrazole derivatives; compositions comprising them and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: October 3, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Steffen Kudis, Klaus Langemann, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 7030063
    Abstract: Cyclohexenonequinolinoyl derivatives of the formula I where: R1 is hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxyiminomethyl, alkoxy, haloalkoxy, alkylthio, C1–C6-haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, unsubstituted or substituted amino sulfonyl, unsubstituted or substituted sulfonyl amino, unsubstituted or substituted phenoxy, unsubstituted or substituted heterocyclyloxy, unsubstituted or substituted phenylthio or unsubstituted or substituted heterocyclylthio; R2, R3 are hydrogen, alkyl, haloalkyl or halogen; R4 is substituted (3-oxo-1-cyclohexen-2-yl)carbonyl or substituted (1,3-dioxo-2-cyclohexyl)methylidene; and their agriculturally useful salts; processes for preparing the cyclohexenonequinolinoyl derivatives; compositions comprising them, and the use of these derivatives or compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: April 18, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann, Guido Mayer, Ulf Neidlein, Roland Götz, Norbert Götz, Michael Rack, Stefan Engel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Publication number: 20050239653
    Abstract: A synergistic herbicidal mixture comprising A) at least one 3-heterocyclyl-substituted benzoyl derivative of the formula I in which the variables have the following meanings: R1, R3 are hydrogen, halogen, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R2 is a heterocyclic radical selected from the group: thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl, 4,5-dihydroisoxazol-4-yl and 4,5-dihydroisoxazol-5-yl, it being possible for these to be unsubstituted or mono- or polysubstituted by halogen, alkyl, alkoxy, haloalkyl, haloalkoxy or alkylthio; R4 is hydrogen, halogen or alkyl; R5 is alkyl; R6 is hydrogen or alkyl; or one of its environmentally compatible salts; and B) a synergistically effective amount of at least one herbicidal compound from the group of the acetyl-CoA carboxylase inhibitors (ACC), acetolactate synthase inhibitors (ALS), amides, auxin herbicides, auxin transport inhibitors, car
    Type: Application
    Filed: March 14, 2005
    Publication date: October 27, 2005
    Inventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
  • Patent number: 6908883
    Abstract: A synergistic herbicidal mixture comprising A) at least one benzoyl compound of formula I or a salt thereof wherein R1, R3 are hydrogen, halogen, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, alkylsulfinyl or alkylaulfanyl; R2 is optionally substituted thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl, 4,5-dihydroisoxazol-4-yl or 4,5-dihydroisoxazol-5-yl; R4 is hydrogen, halogen or alkyl; R5 is alkyl; R6 is hydrogen or alkyl; and B) a synergistically effective amount of at least one further herbicidal compound as defined in the specification, compositions comprising these mixtures, processes for the preparation of these compositions, and their use for controlling undesired plants.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: June 21, 2005
    Assignee: BASF AG
    Inventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
  • Patent number: 6831039
    Abstract: The invention relates to 3-(heterocyclyl)-substituted benzoylpyrazois of formula (I), wherein the variables have the following meanings: X is O, NH or N-alkyl; R1 is alkyl; R2, R3, R4, R5 are hydrogen, alkyl or alkyl halide; R6 is halogen, nitro, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfonyl or halogenalkylsulfonyl; R7 is hydroxy, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarboyloxy, alkylthiocarbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, and the phenyl radical can be substituted; R8, R9 are alkyl; R10 is hydrogen or alkyl; and R11 is hydrogen or alkyl; and to their agriculturally useable salts. The invention also relates to intermediate products and methods for producing the inventive compounds and to the use of these compounds or products containing them for combating undesirable plants.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Misslitz, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6713436
    Abstract: The present invention relates to 1-cycloalkylpyrazolylbenzoyl derivatives of the formula I wherein all variables are as defined in the specification, their agriculturally useful salts, processes for their preparation, and for the use of these compounds or compositions comprising them, for controlling undesirable plants.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: March 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ulf Misslitz, Roland Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Publication number: 20030203819
    Abstract: A synergistic herbicidal mixture comprising
    Type: Application
    Filed: January 23, 2003
    Publication date: October 30, 2003
    Inventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang Von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
  • Patent number: 6624119
    Abstract: The invention relates to herbicidally effective 3-{benz(ox/thi)azol-7-yl}-1H-pyrimidine-2,4-diones of formula (I) wherein X=oxygen or sulphur, Y=oxygen or sulphur; Z=chemical bond, C1-C4-alkylene, O, S, SO, SO2; R1=H, NH2, C1-C6-alkyl, C1-C6-alkyl halide; R2=H, halogen, C1-C6-alkyl, C1-C6-alkyl halide, C1-C6-alkylthio, C1-C6-alkylsulfinyl or C1C6-alkylsulfonyl; R3=H, halogen, C1-C6-alkyl; R4=H, halogen; R5=CN, halogen, C1-C6-alkyl, C1-C6-alkyl halide, C1-C6-alkoxy or C1-C6-halogenalkoxy; R6=H, C3-C7-cycloalkyl containing a 3 to 7-membered saturated heterocyclyl and one or more oxygen and/or sulphur atoms, whereby each heterocyclic ring may contain a carbonyl or thiocarbonyl ring member. The invention also relates to the agriculturally usable salts of the compounds of formula (I).
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: September 23, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Reinhard, Gerhard Hamprecht, Peter Schäfer, Cyrill Zagar, Martina Otten, Karl-Otto Westphalen, Helmut Walter, Olaf Menke
  • Patent number: 6613717
    Abstract: Phosphorus-containing benzoyl derivatives of the formula I where: P(═X)R1R2X is an organic phosphorus radical; R3 is hydrogen, nitro, cyano, halogen, unsub. or sub. alkyl, alkylcarbonyl, alkoxycarbonyl, unsub. or sub. alkoxy, unsub. or sub. alkylthio, unsub. or sub. alkylsulfinyl, unsub. or sub. alkylsulfonyl, unsub. or sub. aminosulfonyl, unsub. or sub. amino, P(═X)R1R2, unsub. or sub. phenyl or unsub. or sub. heterocyclyl; R4 is nitro, cyano, halogen, alkyl, alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; l is 0, 1 or 2; Q is unsub. or sub. 1-hydroxy-3-oxocyclohex-1-en-2-yl, unsub. or sub. 5-hydroxypyrazol-4-yl, unsub. or sub. isoxazol-4-yl or unsub. or sub. 2-cyano-1-oxoeth-2-yl; and their agriculturally useful salts; processes and intermediates for preparing the phosphorus-containing benzoyl derivatives; compositions comprising them and the use of these derivatives or the compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: September 2, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Langemann, Thorsten Volk, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6602825
    Abstract: Novel 1-aryl-4-thiotriazines I where the variables have the following meanings: R1=H, NH2, C1-C4-alkyl, C1-C4-haloalkyl; R2=H, NH2, C1-C4-alkyl, C1-C4-haloalkyl; R3=H, halogen; R4=CN, halogen; Y=nitrogen, the methine group or, together with R5, a bridge >C—O—C(R6)═N—; R5=one of the meanings given in the description; R6=H, halogen, substituted or unsubstituted C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, C1-C6-alkoxy, C3-C6-alkenyloxy, C3-C6-alkynyloxy, C3-C6-cycloalkyl or C3-C6-cycloalkoxy; their salts and enol ethers, the preparation of the novel compounds I and their use as herbicides.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: August 5, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Olaf Menke, Ingo Sagasser, Gerhard Hamprecht, Robert Reinhard, Cyrill Zagar, Karl-Otto Westphalen, Martina Otten, Helmut Walter
  • Patent number: 6589915
    Abstract: The invention relates to cyclohexenone derivatives of benzo-condensed, unsaturated 5-ring nitrogen heterocycles of general formula (I) wherein X represents N or a group C—R3, Y represents O, S, SO, SO2 or NR4 or X—Y represent S═N and X represents sulfur, and the variables R1, R2 and Hex have the meanings given in claim 1. The invention also relates to a method for producing these compounds, to agents containing these compounds, and to their use as herbicides.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: July 8, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Guido Mayer, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Michael Rack, Thorsten Volk, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6583089
    Abstract: Tricyclic benzoylcyclohexanedione derivatives of the formula I where X, Y, R1, R2, R3, R4, R5, R9, and m are defined herein, and their agriculturally useful salts. Process for preparing the tricyclic benzoylcyclohexanedione derivatives; compositions comprising them and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: June 24, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Steffen Kudis, Klaus Langemann, Ernst Baumann, Wolfgang von Deyn, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6576596
    Abstract: The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula I where R1, R2 are each hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR5, —OCOR6, —OSO2R6, —SH, —S(O)nR7, —SO2OR5, —SO2NR5R8, —NR8SO2R6 or —NR8COR6; R3 is hydrogen, cyano, alkyl, haloalkyl, —OR7, —SR7 or —NR7R10; R4 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, —COR9, —CO2R9, —COSR9 or —CONR8R9; X is oxygen or NR8; n is 0, 1 or 2; R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R6 is alkyl or haloalkyl; R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R8 is hydrogen or alkyl; R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl; R10 is alkyl, haloalkyl, alkenyl or alkynyl; Q is a cyclohexane-1,3-dione ring with or without substitution attached in position 2; and agriculturally useful salts thereo
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: June 10, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Regina Luise Hill, Uwe Kardorff, Michael Rack, Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Guido Mayer, Martina Otten, Joachim Rheinheimer, Matthias Witschel, Ulf Misslitz, Helmut Walter, Karl-Otto Westphalen
  • Patent number: 6566307
    Abstract: Pyrazoles of the formula I where: R1 is hydrogen, nitro, halogen, cyano, thiocyanato or an aliphatic radical; R2 is a substituted sulfur, nitrogen or phosphorus atom; R3 is hydrogen, halogen or an aliphatic radical; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, or an aliphatic radical; R6 is hydrogen, halogen, C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl; R7, R8, R9 are hydrogen, C1-C6-alkyl, but at most one of the radicals R7, R8 and R9 is hydrogen; and their tautomers and agriculturally useful salts are described. Moreover, the invention relates to processes for preparing compounds of the formula I, to compositions comprising them and to the use of the compounds of the formula I and of the compositions comprising them for controlling harmful plants.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: May 20, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Roland Götz, Klaus Langemann, Guido Mayer, Ulf Misslitz, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter