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: 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
  • Publication number: 20090156553
    Abstract: The invention relates to the use of piperazine compounds of formula (I) or the agriculturally useful salts of piperazine compounds of formula (I) as herbicides, the variables in formula (I) being defined as cited in the claims and the description.
    Type: Application
    Filed: December 29, 2006
    Publication date: June 18, 2009
    Applicant: BASF SE
    Inventors: Eike Hupe, Cyrill Zagar, Matthias Witschel, Toralf Kuhn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Michael Puhl, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt, Michael Rack
  • Publication number: 20090137396
    Abstract: The present invention relates to the use of piperazine compounds of the formula I or of the agriculturally useful salts of piperazine compounds of the formula I as herbicides, where in formula I the variables are as defined in the claims and the description. Moreover, the invention relates to compositions comprising, in addition to auxiliaries customary for formulating crop protection agents, piperazine compounds of the formula I or agriculturally useful salts of I, and to a process for preparing these compositions. Furthermore, the invention relates to certain piperazine compounds of the formula I, a process for preparing piperazine compounds of the formula I and a method for controlling unwanted vegetation which comprises treating plants, their seeds and/or their habitat with at least one piperazine compound of the formula I.
    Type: Application
    Filed: January 4, 2007
    Publication date: May 28, 2009
    Applicant: BASF SE
    Inventors: Eike Hupe, Cyrill Zagar, Matthias Witschel, Toralf Kuehn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Patent number: 7521395
    Abstract: A synergistic herbicidal mixture comprising A) at least one 3-heterocyclyl-substituted benzoly 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; B) nicosulfuron (II) or one of its environmentally compatible salts; and C) at least one herbicidal compound from the group triazines or one of their environmentally compatible salts, in a synergistically effective amount. Compositions comprising these mixtures, processes for the preparation of these compositions, and their use for controlling undesirable plants.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: April 21, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: William B. O'Neal, Elmar Kibler, Dan E. Westberg, Matthias Witschel, Herve R. Vantieghem
  • Publication number: 20090054240
    Abstract: The present invention relates to heteroaroyl-substituted alanines of the formula I in which the variables A and R1 to R7 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: February 7, 2007
    Publication date: February 26, 2009
    Applicant: BASF SE
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kuhn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Michael Rack, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Publication number: 20090036311
    Abstract: The present invention relates to benzoyl-substituted alanines of the formula I in which the variables R1 to R12 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: February 7, 2007
    Publication date: February 5, 2009
    Applicant: BASF SE
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kuhn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Publication number: 20090023588
    Abstract: A herbicidal mixture comprising A) a 3-heterocyclyl-substituted benzoyl derivative selected from the group of 4-[2-chloro-3-(3-methyl-isoxazol-5-yl)-4-methylsulfonylbenzoyl]-1-methyl-5-hydroxy-1H-pyrazole, 4-[2-methyl-3-(3-methyl-isoxazol-5-yl)-4-methylsulfonyl-benzoyl]-1-methyl-5-hydroxy-1H-pyrazole and 4-[2-methyl-3-(4,5-dihydro-isoxazol-3-yl)-4-methylsulfonylbenzoyl]-1-methyl-5-hydroxy-1H-pyrazole; or one of its environmentally compatible salts, B) a safening effective amount of cloquintocet, or its environmentally compatible salts, amides, esters and hydrates; and, if desired, at least one herbicidal compound from the group of the acetyl-CoA carb-oxylase inhibitors (ACC), acetolactate synthase inhibitors (ALS), amides, auxin herbicides, auxin transport inhibitors, carotenoid biosynthesis inhibitors, enolpyruvylshikimate 3-phosphate synthase inhibitors (EPSPS), glutamine synthetase inhibitors, lipid biosynthesis inhibitors, mitosis inhibitors, protoporphyrinogen IX oxidase inhibitors, photosynt
    Type: Application
    Filed: September 25, 2008
    Publication date: January 22, 2009
    Applicant: BASF SE
    Inventors: Matthias Witschel, Andreas Landes, Bernd Sievernich
  • Publication number: 20080200338
    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: Application
    Filed: March 29, 2006
    Publication date: August 21, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kuhn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Michael Rack, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Publication number: 20080200542
    Abstract: The present invention relates to benzoyl-substituted serineamides 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: Application
    Filed: March 29, 2006
    Publication date: August 21, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Matthias Witschel, Cyrill Zagar, Eike Hupe, Toralf Kuhn, William Karl Moberg, Liliana Parra Rapado, Frank Stelzer, Andrea Vescovi, Robert Reinhard, Bernd Sievernich, Klaus Grossmann, Thomas Ehrhardt
  • Patent number: 7381687
    Abstract: 3-Heteroaryl-substituted isoxazolines of the formula I where: X is substituted 5-membered heteroaryl having one to four nitrogen atoms or one to three nitrogen atoms and one oxygen or sulfur atom or one oxygen or sulfur atom; or substituted 6-membered heteroaryl having one to four nitrogen atoms; where the abovementioned 5-membered heteroaryl is not pyrazolyl or thienyl; R1-R7 are hydrogen, alkyl or haloalkyl; Y is unsubstituted or substituted aryl, or benzo[1,4]dioxonyl, benzo[1,3]dioxolanyl, 2,3-dihydrobenzofuranyl or benzimidazole; or unsubstituted or substituted 5- to 6-membered heteroaryl; and their agriculturally useful salts, processes and intermediates for their preparation, and the use of these compounds or of the compositions comprising these compounds for controlling unwanted plants are described.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: June 3, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Oliver Wagner, Michael Rack, Matthias Witschel, Cyrill Zagar, Andreas Landes
  • Patent number: 7375058
    Abstract: Herbidically active compositions, comprising: A) at least one phenyluracil compound of the formula (I); in which the variables R1-R7 are as defined in the claims, and/or at least one of its agriculturally acceptable salts; and at least one further active compound, selected from B) herbicides of classes b1) to b15): b1) lipid biosynthesis inhibitors; b2) acetolactate synthase inhibitors (ALS inhibitors); b3) photosynthesis inhibitors; b4) protoporphyrinogen-IX oxidase inhibitors; b5) bleacher herbicides; b6) enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors); b7) glutamine synthetase inhibitors; b8) 7,8-dihydropteroate synthase inhibitors (DHP inhibitors); b9) mitose inhibitors; b10) inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors); b11) cellulose biosynthesis inhibitors; b12) decoupler herbicides; b13) auxin herbicides; b14) auxin transport inhibitors; b15) other herbicides selected from the group consisting of benzoylprop, flamprop, flamprop-M, bromobutide, c
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: May 20, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Bernd Sievernich, Laura Ouakenbush, Richard R. Evans, Max Landes, Larry J. Newsom, Charles L. Ortlip, Matthias Witschel, Andreas Landes
  • Publication number: 20080103049
    Abstract: The present invention relates to benzoyl-substituted serineamides of the formula I in which the variables Het and R1 to R10 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: September 14, 2005
    Publication date: May 1, 2008
    Applicant: BSDG Aktiengesellschaft
    Inventors: Matthias Witschel, Frank Stelzer, Toralf Kuhn, Liliana Parra Rapado, Eike Hupe, Cyrill Zagar, Robert Reinhard, Bernd Sievernich, Thomas Ehrhardt
  • Patent number: 7355053
    Abstract: The invention relates to 1-phenylpyrrolidin-2-one-3-carboxamides of the formula I where the variables R1, R2, R3, X, Y, A, n, Ra, Rb, Rc, Rd and Re are as defined in claim 1 and to their agriculturally useful salts. Moreover, the invention relates to the use of compounds I and/or their salts as herbicides; crop protection compositions comprising at least one 1-phenylpyrrolidin-2-one-3-carboxamide of the formula I and/or at least one agriculturally useful salt of I as active substances; and also a method for controlling unwanted vegetation, which comprises allowing a herbicidally effective amount of at least one 1-phenylpyrrolidin-2-one-3-carboxamide of the formula I or an agriculturally useful salt of I to act on plants, their habitat or on seed.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: April 8, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Reinhard, Gerhard Hamprecht, Michael Puhl, Werner Seitz, Liliana Parra Rapado, Annegret Scannell-Lansky, Klaus Groβmann, Helmut Schiffer, Matthias Witschel, Cyrill Zagar, Andreas Landes, Michael Rack
  • 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
  • Patent number: 7309802
    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: April 17, 2003
    Date of Patent: December 18, 2007
    Assignee: BASF Aktiengesellschaft
    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: 20070270312
    Abstract: The present invention relates to heteroaroyl-substituted serinamides of the formula I in which the variables A, Het and R1 to R5 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: September 14, 2005
    Publication date: November 22, 2007
    Inventors: Matthias Witschel, Frank Stelzer, Toralf Kuhn, Liliana Rapado, Michael Rack, Eike Hupe, Cyrill Zagar, Robert Reinhard, Bernd Sievernich, Thomas Ehrhardt
  • 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
  • Publication number: 20070161800
    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 11, 2007
    Publication date: July 12, 2007
    Inventors: Joachim Rheinheimer, Wolfgang von Deyn, Joachim Gebhardt, Michael Rack, Rene Lochtman, Norbert Gotz, Michael Keil, Matthias Witschel, Helmut Hagen, Ulf Misslitz, Ernst Boumann
  • Publication number: 20070142230
    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: Application
    Filed: December 17, 2004
    Publication date: June 21, 2007
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Matthias Witschel, Michael Puhl, Gerhard Hamprecht, Liliana Rapado, Ulf Missblitz, Cyrill Zagar, Peter Plath, Robert Reinhard, Bernd Sievernich, Rex Liebl
  • 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