Patents by Inventor Matthias Witschel

Matthias Witschel 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).

  • Publication number: 20110183848
    Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazine compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.
    Type: Application
    Filed: September 29, 2009
    Publication date: July 28, 2011
    Applicant: BASF SE
    Inventors: Liliana Parra Rapado, Frank Stelzer, Matthias Witschel, Thomas Seitz, Anja Simon, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Trevor Wlliam Newton, Julia Major, Tao Qu, William Karl Moberg, Dschun Song, Michael Rack, Timo Frassetto, Klaus Kreuz
  • Publication number: 20110152535
    Abstract: A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.
    Type: Application
    Filed: March 2, 2011
    Publication date: June 23, 2011
    Inventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Mißlitz, Ernst Baumann
  • Publication number: 20110130286
    Abstract: Piperazine compounds of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the piperazine compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one piperazine compound of the formula I to act on plants, their seed and/or their habitat.
    Type: Application
    Filed: July 23, 2009
    Publication date: June 2, 2011
    Applicant: BASF SE
    Inventors: Liliana Parra Rapado, Eike Hupe, Matthias Witschel, Thomas Seitz, Anja Simon, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Trevor William Newton, Frank Stelzer, Tao Qu, William Karl Moberg, Dschun Song, Michael Rack, Timo Frassetto, Klaus Kreuz, Julia Major
  • Publication number: 20110105329
    Abstract: Substituted quinolinones of the formula I in which the variables are defined according to the description, their agriculturally suitable salts, processes and intermediates for preparing the compounds of the formula I, compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidally effective amount of at least one compound of the formula I to act on plants, their seed and/or their habitat.
    Type: Application
    Filed: October 29, 2010
    Publication date: May 5, 2011
    Applicant: BASF SE
    Inventors: Dschun Song, Julia Major, Johannes Hutzler, Trevor William Newton, Matthias Witschel, William Karl Moberg, Liliana Parra Rapado, Tao Qu, Frank Stelzer, Andree van der Kloet, Thomas Seitz, Thomas Ehrhardt, Klaus Kreuz, Klaus Grossmann, Anna Aleksandra Michrowska, Anja Simon, Richard Roger Evans
  • Patent number: 7879761
    Abstract: The present invention relates to heteroaroyl-substituted serineamides of the formula I in which the variables A and R1 to R6 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: February 1, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kühn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Michael Rack, Robert Reinhard, Bernd Sievernich, Klaus Groβmann, Thomas Ehrhardt
  • Patent number: 7851411
    Abstract: ?-Cyanoacrylates of the formula I, where: R1 is ORa wherein Ra is hydrogen, substituted alkyl, branched alkyl, branched alkenyl, cycloloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; is NRbRc wherein Rb is hydrogen, alkyl which may be substituted, alkenyl, alkynyl; Rc is hydrogen, alkyl which may be substituted alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; or Rb and Rc form an alkandiyl-chain which may be substituted; or is SRd wherein Rd is hydrogen, alkyl which may be substituted, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; R2 is alkyl which may be substituted; is alkenyl or alkynyl; R3 is alkyl may be substituted; is alkenyl or alkynyl; R4 is hydrogen, halogen, cyano or alkyl; and their agriculturally useful salts, processes and intermediates for their preparation; and the use of these compounds or of compositions comprising these compounds for controlling undesirable plants are described.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: December 14, 2010
    Assignee: BASF SE
    Inventors: Peter Plath, Norbert Götz, Michael Rack, Andreas Landes, Cyrill Zagar, Matthias Witschel, Klaus Groβmann
  • Patent number: 7786046
    Abstract: The present invention relates to benzoyl-substituted serinamides of the formula I in which the variables R1 to R11 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: August 31, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kühn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Groβmann, Thomas Ehrhardt
  • Patent number: 7767624
    Abstract: Disclosed are 3-heterocyclyl substituted benzoic acid derivatives of general formula (I), in which the variables R1 to R8 and X have the meanings indicated in claim 1, and the use thereof as herbicides or for desiccating/defoliating plants.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: August 3, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Puhl, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Publication number: 20100173777
    Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.
    Type: Application
    Filed: June 11, 2008
    Publication date: July 8, 2010
    Applicant: BASF SE
    Inventors: Eike Hupe, Thomas Seitz, Matthias Witschel, Dschun Song, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Trevor William Newton, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Michael Rack, Elmar Kibler
  • Publication number: 20100167933
    Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation. In formula I, A1, A2 independently of one another are aryl or heteroaryl, where Ra is attached in the ortho-position to the point of attachment of A1 to a carbon atom or a nitrogen atom of A1, Y1, Y2 are oxygen, sulfur or a group NRy1, and the variables Ra, Rb, Rc, Rd, Re, Rf, R1, R2, R3, R4, R5, R6, R7, and R8 have the meanings mentioned in the claims and the description.
    Type: Application
    Filed: June 20, 2008
    Publication date: July 1, 2010
    Inventors: Eike Hupe, Thomas Seitz, Matthias Witschel, Dschun Song, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Trevor William Newton, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Michael Rack, Elmar Kibler
  • Patent number: 7741485
    Abstract: The invention relates to benzenesulphonamide derivatives of formula (I), methods and intermediate products for production thereof and use of said compounds, or means comprising said compounds for the control of undesired plants and for the desiccation/defoliation of plants.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: June 22, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Michael Puhl, Robert Reinhard, Werner Seitz, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Publication number: 20100152047
    Abstract: The present invention relates to piperazine compounds of the general formula I defined below and to their use as herbicides. Moreover, the invention relates to compositions for crop protection and to a method for controlling unwanted vegetation.
    Type: Application
    Filed: June 11, 2008
    Publication date: June 17, 2010
    Applicant: BASF SE
    Inventors: Eike Hupe, Thomas Seitz, Matthias Witschel, Dschun Song, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Trevor William Newton, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Michael Rack, Elmar Kibler
  • Publication number: 20100105920
    Abstract: A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.
    Type: Application
    Filed: January 4, 2010
    Publication date: April 29, 2010
    Inventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Baumann
  • Publication number: 20100099568
    Abstract: The present invention relates to heteroaroyl-substituted serinamides of the formula (I) in which the variables A and R1 to R6 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants.
    Type: Application
    Filed: January 10, 2008
    Publication date: April 22, 2010
    Applicant: BASF SE
    Inventors: Matthias Witschel, Dschun Song, Eike Hupe, Trevor William Newton, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Patent number: 7687435
    Abstract: The present invention relates to benzoyl-substituted phenylalanineamides of the formula I in which the variables R1 to R15 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: March 30, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Michael Puhl, Gerhard Hamprecht, Liliana Parra Rapado, Ulf Misslitz, CyrilL Zagar, Peter Plath, Robert Reinhard, Bernd Sievernich, Rex Liebl
  • Patent number: 7663001
    Abstract: A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.
    Type: Grant
    Filed: March 11, 2007
    Date of Patent: February 16, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Götz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Miβlitz, Ernst Baumann
  • Patent number: 7632782
    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 halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R2 is a optionally substituted heterocyclic radical selected from the group: 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; 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 the compound of formula II or one of its environmentally compatible salts; and, if desired, C) at least one further herbicidal compound; and, if desired, D) at least a safener. Compositions comprising these mixtures, processes for the preparation of these compositions, and their use for controlling undesired plants.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: December 15, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: William B. O'Neal, Elmar Kibler, Matthias Witschel, Herve R. 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: 20090215628
    Abstract: The present invention relates to benzoyl-substituted alanines of the formula I in which the variables R1 to R13 are as defined in the description, and to agriculturally useful salts thereof, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Application
    Filed: May 10, 2007
    Publication date: August 27, 2009
    Applicant: BASF SE
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kühn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Publication number: 20090186766
    Abstract: The present invention relates to heteroaroyl-substituted alanines of the formula I in which the variables A and R1 to R8 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
    Type: Application
    Filed: May 11, 2007
    Publication date: July 23, 2009
    Applicant: BASF SE
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kühn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Michael Rack, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt