Patents by Inventor Thorsten Volk

Thorsten Volk 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: 6908884
    Abstract: Cyclohexenone derivatives of benzazolones of the formula I where the variables R1, R2, R3, A and Hex are as defined in claim 1, and their salts, and their use for controlling harmful plants, are described.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: June 21, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Guido Mayer, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michael Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Patent number: 6897322
    Abstract: The invention relates to a method of preparing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles of the formula (I), wherein aryl represents a mono- or polysubstituted phenyl ring, and R1 represents C1-C4 alkyl. The inventive method is characterized by reacting, in a first reaction step, a ?-ketoester of the general formula (II) with hydrazine and by successively reacting the reaction product obtained with chlorodifluoromethane and a compound R1-L, wherein R1 has the meanings indicated above and L represents the leaving group of a nucleophilic displacement reaction.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: May 24, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Thorsten Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Götz, Gerhard Hamprecht
  • Patent number: 6888003
    Abstract: A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I in which the variables R1-R6 are as defined in claim 1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II, in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Götz, Gerhard Hamprecht, Olaf Menke, Ingo Sagasser
  • Patent number: 6815563
    Abstract: A process for preparing bicyclic 1,3-diketones of the formula I where R1, R2, R3 and R4 are hydrogen, C1-C4-alkyl, C1-C4-alkoxy-carbonyl, halogen, cyano, nitro, C1-C4-alkylthio, C1-C4-alkylsulfenyl or C1-C4-alkylsulfonyl and Z is C1-C4-alkylene, O, S, N—R5 where R5 is C1-C4-alkyl or C1-C4-alkylcarbonyl, which comprises a) reacting a bicyclic olefin of the formula II with haloform in the presence of a base to give the ring-expanded product of the formula III  where R1-R4 and Z are as defined above and X is halogen; b) hydrolyzing the allylic halogen of the compound of the formula III to the allyl alcohol of the formula IV c) oxidizing the allyl alcohol of the formula IV to the unsaturated ketone of the formula V d) reacting the ketone of the formula V with a nucleophilic ion Y− which stabilizes a negative charge to give the ketone of the formula VI e) hydrolyzing the ketone of the formula VI to th
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: November 9, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Langemann, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Thorsten Volk, Guido Mayer
  • Publication number: 20040063584
    Abstract: Cyclohexenone derivatives of benzazolones of the formula I 1
    Type: Application
    Filed: May 29, 2003
    Publication date: April 1, 2004
    Inventors: Guido Mayer, Ulf Miblitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michel Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Publication number: 20040043903
    Abstract: The present invention relates to 2-aryl-5-trifluoromethylpyridines of the formula I 1
    Type: Application
    Filed: May 12, 2003
    Publication date: March 4, 2004
    Inventors: Michael Puhl, Andreas Gypser, Gerhard Hamprecht, Thorsten Volk, Peter Schafer, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Patent number: 6696607
    Abstract: Use of phenethylacrylamides of the formula I: in which the substituents have the following meanings: X is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy and —O—C(Ra,Rb)—C≡C—R6; Ra,Rb and Rc have the meanings given in the description; m,n independently of one another are 1 to 4, it being possible for the radicals X or Y to be different if m or n is greater than 1; Y is halogen, nitro, cyano, alkyl, CF3, alkoxy and phenyl; R1,R2 independently of one another are hydrogen, halogen, alkyl, alkoxy, haloalkoxy and CF3; R3,R4,R5,R6 independently of one another are hydrogen, halogen, alkyl, alkoxy, or R3 and R4 together form a cyclopropyl ring, it being possible for the C—R5— and C—R6 bonds can be in the E- or Z-position relative to each other; for controlling phytopathogenic fungal pests, novel phenethylacrylamides, their preparation, and compositions comprising them.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: February 24, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Hubert Sauter, Oliver Cullmann, Markus Gewehr, Bernd Müller, Jordi Tormo i Blasco, Norbert Götz, Thorsten Volk, Gisela Lorenz, Eberhard Ammermann, Reinhard Stierl, Siegfried Strathmann
  • Publication number: 20040033899
    Abstract: Pyrazolylbenzazolones of the formula I 1
    Type: Application
    Filed: May 29, 2003
    Publication date: February 19, 2004
    Inventors: Guido Mayer, Ulf Miblitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Michael Hofmann, Thorsten Volk, Matthias Witschel, Cyrill Zagar, Andreas Landes, Klaus Langemann
  • Publication number: 20030191190
    Abstract: The invention relates to the use of phenethyl acrylamides of formula I for controlling phytopathogenic fungi, wherein the substituents of said phenethyl acrylamides have the following significations: X signifies halogen, alkyl, halogenalkyl, alkoxy halogenalkoxy and —O—C(Ra, Rb)—C≡C—R6; Ra, Rb and Rc have the signification given in the description; m, n independently signify 1 to 4, the radicals X or Y being potentially different if m or n is higher than 1; Y signifies halogen, nitro, cyano, alkyl, CF3, alkoxy and phenyl; R1, R2 independently signify hydrogen, halogen, alkyl, alkoxy, halogenalkoxy and CF3; R3, R4, R5, and R6 independently signify hydrogen, alkyl and alkoxy, or R3 and R4 together form a cyclopropyl ring, whereby the C—R5 and C—R6 bonds can be in position E or Z in relation to each other. The invention also relates to novel phenethyl acrylamides, a method for the productio thereof, and agents containing the same.
    Type: Application
    Filed: December 4, 2002
    Publication date: October 9, 2003
    Inventors: Wassilios Grammenos, Hubert Sauter, Oliver Cullmann, Markus Gewehr, Bernd Muller, Jordi Tormo i Blasco, Norbert Gotz, Thorsten Volk, Gisela Lorenz, Eberhard Ammermann, Reinhard Stierl, Siegfried Strathman
  • Publication number: 20030187290
    Abstract: A process for preparing bicyclic 1,3-diketones of the formula I 1
    Type: Application
    Filed: January 6, 2003
    Publication date: October 2, 2003
    Inventors: Klaus Langemann, Ulf Misslitz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Thorsten Volk, Guido Mayer
  • 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
  • Publication number: 20030162662
    Abstract: The invention relates to 2-phenyl-2H-pyridazin-3-ones of the general formula I 1
    Type: Application
    Filed: October 10, 2002
    Publication date: August 28, 2003
    Inventors: Michael Puhl, Thorsten Volk, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Matthias Witschel, Helmut Walter
  • Publication number: 20030130123
    Abstract: The invention relates to 2-phenyl-2H-pyridazin-3-ones of the general formula I 1
    Type: Application
    Filed: October 10, 2002
    Publication date: July 10, 2003
    Inventors: Michael Puhl, Thorsten Volk, Gerhard Hamprecht, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Karl-Otto Westphalen, Matthias Witschel, 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: 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
  • Publication number: 20030050477
    Abstract: A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I 1
    Type: Application
    Filed: September 10, 2002
    Publication date: March 13, 2003
    Inventors: Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Gotz, Gerhard Hamprecht, Olaf Menke, Ingo Sagasser
  • Patent number: 6469195
    Abstract: 2-Phenoxyphenylacetic acid derivatives of the formula I where the substituents and the index have the following meanings: A is  where R1 is halogen, C1-C4-alkyl, C1-C4-alkoxy, CF3, C1-C4-haloalkoxy, formyl, C(═O)NRaRb or C(Ra)═NORb; Ra is hydrogen or C1-C4-alkyl; Rb is C1-C4-alkyl; n is 1, 2, 3 or 4, where the groups R1 may be different if n is not 1; R2 is halogen, CH3 or CF3; m is 0 or 1; and X is OCH3 or NHCH3; processes and intermediates for preparing the compounds I and the use of the compounds I for controlling harmful fungi are described.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: October 22, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Hubert Sauter, Andreas Gypser, Oliver Cullmann, Markus Gewehr, Bernd Müller, Arne Ptock, Norbert Götz, Roland Götz, Thorsten Volk, Eberhard Ammermann, Thomas Grote, Gisela Lorenz, Siegfried Strathmann