Patents by Inventor Guido Mayer

Guido Mayer 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: 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: 6613719
    Abstract: 3-(4,5-Dihydroisoxazol-3-yl)-substituted benzoylpyrazoles of the formula I in which R4 is C1-C4-haloalkyl and R1 to R3 and R5 to R10 are as defined in the description are described. The compounds have herbicidal activity.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: September 2, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6599860
    Abstract: Herbicidally active haloalkyl-substituted 3-(4,5-dihydroisoxazol-3-yl)benzoylcyclohexenones of the formula I in which R1 to R3 and R5 to R14 are as defined in the description and R4 is C1-C4-haloalkyl are described.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: July 29, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Steffen Kudis, Ernst Baumann, Wolfgang von Deyn, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Karl-Otto Westphalen, 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
  • Publication number: 20030100590
    Abstract: 1 The invention relates to 3-(4,5-dihydroisoxazole-5-yl)benzoylpyrazole of the formula (I), wherein the variables have the following meanings: R1, R1 represent hydrogen, nitro, halogen, cyano, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfinyl, halogenalkylsulfinyl, alkylsulfonyl or halogenalkylsulfonyl; hydrogen, R3 represents halogen or alkyl; R4 represents hydrogen or alkyl; R5, R6 represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl R3 or carbonyl, wherein the latter six groups can be substituted; R7 represents halogen, cyano, hydroxy, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfinyl, halogenalkylsulfinyl, alkylsulfonyl, halogenalkylsulfonyl, amino, alkylamino, dialkylamino, dialkoxymethyl, hydroxyiminoalkyl, alkoxyiminoalkyl or optionally substituted carbonyl; R11 represents optionally substituted pyrazole that is bound in the 4 position and that carries a hydroxy group or a derivative the
    Type: Application
    Filed: June 19, 2002
    Publication date: May 29, 2003
    Inventors: Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf neidlein, Helmut Walter, Karl-Otto Westphalen, Matthias Witschel
  • 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
  • Publication number: 20030092576
    Abstract: 3-(4,5-Dihydroisoxazol-3-yl)-substituted benzoylcyclohexenone derivatives of the formula I 1
    Type: Application
    Filed: May 13, 2002
    Publication date: May 15, 2003
    Inventors: Steffen Kudis, Ernst Baumann, Wolfgang Von Deyn, Klaus Langemann, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6559100
    Abstract: Substituted 2-benzoylcyclohexane-1,3-diones of the formula I where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, —OR3, —OCOR3, —OSO2R3, —S(O)nR3, —SO2OR3, —SO2N(R3)2, —NR3SO2R3 or —NR3COR3; R3 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl or phenyl-C1-C6-alkyl; where the abovementioned alkyl radicals may be partially or fully halogenated and/or may carry one to three of the following groups: hydroxyl, mercapto, amino, cyano, R3, —OR3, —SR3, —N(R3)2, ═NOR3, —OCOR3, —SCOR3, —NR3COR3, —CO2R3, —COSR3, —CON(R3)2, C1-C4-alkyliminooxy, C1-C4-alkoxyamino, C1-C4-alkylcarbonyl, C1-C4-alkoxy-C2-C6-alkoxycarbonyl, C1-C4-alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the eight last mentioned radic
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: May 6, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Matthias Witschel, Martina Otten, Helmut Walter, Karl-Otto Westphalen
  • Patent number: 6541423
    Abstract: The invention relates to pyrazolyl derivatives of benzo-condensated, unsaturated 5-membered nitrogen heterocycles of the general formula (I), wherein X represents N or a group C—R3; Y is O, S, SO, SO2 or NR4 or X—Y is S═N, and wherein X means sulfur, and the variables R1, R2 and Pz have the meanings indicated in claim 1. The invention, further relates to a method of producing said compounds, to agents that contain them and to their use as herbicidal agents.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: April 1, 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: 6506708
    Abstract: 3-(Heterocyclyl)benzoylpyrazole derivatives of the formula I where: X is O, NH or N-alkyl; R1 is nitro, halogen, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl; R2,R3,R4,R5 are hydrogen, alkyl or haloalkyl; R6 is halogen, nitro, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfonyl or haloalkylsulfonyl; R7 is hydroxyl, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarbonyloxy, (alkylthio)carbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, where the phenyl radical may be substituted; R8,R9 are alkyl; R10 is hydrogen or alkyl; R11 is hydrogen or alkyl; and their agriculturally useful salts, compounds for their preparation, and the use of these compounds or of compositions comprising them for controlling undesirable plants are described.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: January 14, 2003
    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
  • Patent number: 6500950
    Abstract: Benzylidenepyrazolones of the formula I, where the substituents and the index n have the following meanings: R1 is unsubstituted or substituted C1-C6-alkyl; R2 is unsubstituted or substituted C1-C6-alkyl, unsubstituted or substituted C1-C6-alkoxy, halogen, nitro, cyano; R3 is hydrogen, halogen, nitro, cyano, a group NR5R6, OCOR5, NR5COR6, CO2R5, —COSR5, —CONR5R6, C1-C4-alkoxyiminoalkyl, C1-C6-alkylcarbonyl, unsubstituted or substituted C1-C6-alkyl, unsubstituted or substituted C1-C6-alkoxy, unsubstituted or substituted C1-C6-alkylthio, unsubstituted or substituted C2-C6-alkenyl, unsubstituted or substituted C2-C6-alkynyl, unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy, an unsubstituted or substituted 5- or 6-membered saturated or unsaturated heterocycle which may contain up to 4 nitrogen atoms and/or up to 2 oxygen or sulfur atoms as ring members; R4 is C1-C6-alkyl, C1-C4-haloalkyl; R3 and R4 form an optionally substituted saturated or unsaturated
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: December 31, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Rheinheimer, Matthias Witschel, Stefan Engel, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6475957
    Abstract: Cycloalkyl-substituted benzoylpyrazoles of the formula I where the variables have, for example, the following meanings: R1 is hydrogen, nitro, halogen, cyano, thiocyanato, or an unsubstituted or substituted aliphatic radical; R2 is an unsubstituted or substituted aliphatic radical, halogen, nitro, or substituted sulfonyl or amino groups, R3 is hydrogen, halogen, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl or C2-C6-alkynyl; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, an unsubstituted or substituted aliphatic radical or substituted sulfonyl or amino groups; R6 is hydrogen, halogen, C1-C6-alkyl, C1-C6-alkoxy, C3-C8-cycloalkyl; R7 is a cyclic ring system having 3-14 ring atoms; R16 is hydroxyl or a substituted hydroxyl group; and their tautomers or agriculturally useful salts are described.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: November 5, 2002
    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
  • Patent number: 6440899
    Abstract: Cyclohexenonedioxothiochromanoyl derivatives of the formula I where X is oxygen, sulfur, S═O, S(═O)2, CR4R5, C═O or C═NR6, the other substituents are as defined in the specification, and and agriculturally useful salts thereof; processes for preparing the cyclohexenonedioxotheiochromanoyl derivatives; compositions comprising them, and the use of these derivatives or of compositions comprising them for controling undesirable piants.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: August 27, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Klaus Langemann, Wolfgang von Deyn, Ulf Misslitz, Ernst Baumann, Stefan Engel, Guido Mayer, Ulf Neidlein, Oliver Wagner, Roland Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6432881
    Abstract: 2-Benzoylcyclohexane-1,3-diones of formula I : where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxy, alkenyl, alkynyl, —OR3, —OCOR3, —OSO2R3, —S(O)nR3 (n=0, 1, 2), —SO2OR3, —SO2N(R3)2, —NR3SO2R3 or —NR3COR3; R3 is hydrogen or optionally substituted alkyl, haloalkyl, alkenyl, alkynyl, phenyl or phenylalkyl; Q is optionally substituted cyclohexane-2-yl-1,3-dione; X1 is optionally substituted alkylene, propenylene, alkenylene or alkynylene; R4 is hydrogen or optionally substituted alkyl, alkenyl, alkynyl, phenyl, phenylalkyl; Het is a three- to six-membered, optionally substituted heterocyclic or heteroaromatic group; and agriculturally useful salts thereof, processes and intermediates for preparing compounds of formula I, compositions comprising them, and the use of the compounds of formula I and the compositions comprising them for controlling harmful plants are described.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: August 13, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Matthias Witschel, Martina Otten, Helmut Walter, Karl-Otto Westphalen
  • Patent number: 6410485
    Abstract: The present application relates to saccharin-5-carbonyl derivatives of the formula I in which the substituents have the following meanings: L is C1-C6-alkyl, C1-C6-alkoxy; Z is C1-C6-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C5-alkynyl, phenyl-C1-C6-alkyl or phenyl, where the phenyl rings are in each case optionally mono- or polysubstituted by C1-C6-alkyl, C1-C6-alkoxy or halogen; M is hydrogen, C1-C6-alkyl, C1-C6-alkoxy, halogen, cyano, nitro or halo-C1-C6-alkyl; R1, R2, R3, R4, R5, R6, R7, R8 are hydrogen, C1-C6-alkyl; and agriculturally utilizable salts of the compound I.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: June 25, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Neidlein, Matthias Witschel, Roland Götz, Michael Rack, Peter Plath, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6407268
    Abstract: 4-Benzoylpyrazoles of the formula I where: R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, —OR10, —OCOR10, —OSO2R10, —S(O)nR10, —SO2OR10, —SO2NR3R10, —NR10SO2R10 or —NR10COR; Q is a pyrazole of the formula II,  which is attached in position 4 and, Substituted 4-benzoylpyralozoles.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: June 18, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Engel, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Uwe Kardorff, Guido Mayer, Martina Otten, Joachim Rheinheimer, Oliver Wagner, Matthias Witschel, Ulf Misslitz, Helmut Walter
  • Patent number: 6372693
    Abstract: The invention relates to 2-(3-alkenylbenzoyl)cyclohexane-1,3-diones of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR6, —OCOR7, —OSO2R7, —SH, —S(O)nR8, —SO2OR6, —SO2NR6R9, —NR9SO2R7 or —NR9COR7; R3 is hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkenyl, alkynyl; R4, R5 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, alkoxy, alkylthio, haloalkoxy, —COR10, —CO2R10, —COSR10, —CONR10R11, —C(R12)═NR13, —PO(OR10)(OR11); unsubstituted or substituted alkyl, heterocyclyl, heterocyclylalkyl, phenyl, phenylalkyl, hetaryl or hetarylalkyl; or R4 and R5 together form an alkanediyl chain which can be substituted and/or can be interrupted by a hetero atom; Q is an unsubstituted or substituted cyclohexane-1,3-dione ring wh
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: April 16, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Regina Luise Hill, Uwe Kardorff, Guido Mayer, Martina Otten, Michael Rack, Joachim Rheinheimer, Matthias Witschel, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
  • Patent number: 6352959
    Abstract: Thiochromanoylpyrazolone derivatives of the formula I where: A is an unsubstituted or substituted, saturated or unsaturated alkyl chain; R1 is cyano, thiocyanato, nitro, OR4, SR5, SOR6, S02R6, ONR6NR7, ON═CR6R8, NR9R10, P(O)R11R12, P(S)R11R12, COR, CO2R6, unsubstituted or substituted phenyl or heterocyclyl; R2 is alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is hydrogen, alkyl or halogen; X is oxygen, sulfur, S═O, S(═O)2, CR13R14, C═O or C═NR15; m is 0, 1 or 2; n is 0, 1, 2, 3 or 4; R16 is substituted pyrazol-4-yl-carbonyl or substituted (4,5-dihydro-5-oxo-pyrazol-4-yl)methylidene; and their agriculturally useful salts; Processes for preparing the thiochromanoylpyrazolone 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: May 31, 2001
    Date of Patent: March 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Langemann, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Guido Mayer, Ulf Misslitz, Ulf Neidlein, Matthias Witschel, Norbert Götz, Martina Otten, Karl-Otto Westphalen, Helmut Walter