Patents by Inventor Stefan Lehr

Stefan Lehr 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: 20110053778
    Abstract: 2-(3-Aminobenzoyl)-3-cyclopropyl-3-oxopropanenitriles of the formula (I) are described as herbicides. In this formula (I), X and Y are organic radicals such as alkyl and other radicals such as halogen, nitro and cyano.
    Type: Application
    Filed: July 27, 2010
    Publication date: March 3, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Hartmut AHRENS, Ines Heinemann, Andreas Van Almsick, Ralf Braun, Jan Dittgen, Dieter Feucht, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Stefan Lehr
  • Patent number: 7897543
    Abstract: The invention relates to novel spiroketal-substituted cyclic ketoenols of the formula (I) in which A, B, Q1, Q2, D, G, W, X, Y, and Z are as defined above, to processes and intermediates for their preparation and to their use as pesticides and/or microbicides and/or herbicides. Moreover, the invention relates to selective herbicidal compositions comprising, firstly, spiroketal-substituted cyclic ketoenols and, secondly, a crop plant compatibility-improving compound.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: March 1, 2011
    Assignee: Bayer CropScience AG
    Inventors: Thomas Bretschneider, Reiner Fischer, Oliver Gaertzen, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Udo Reckmann, Christian Arnold, Thomas Auler, Waltraud Hempel, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger, Erich Sanwald
  • Publication number: 20110045980
    Abstract: 4-(3-Alkylthiobenzoyl)pyrazoles of the formula (I) are described as herbicides. In this formula (I), X, Y, R1, R2, R3 and R4 represent radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
    Type: Application
    Filed: July 27, 2010
    Publication date: February 24, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Hartmut Ahrens, Andreas Almsick, Jan Dittgen, Christopher Hugh Rosinger, Isolde Häuser-Hahn, Stefan Lehr, Dieter Feucht
  • Publication number: 20110039701
    Abstract: The invention relates to novel compounds of the formula (I) in which X, Y, Z, A, B and G have the meanings given above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides. Moreover, the invention relates to selective herbicidal compositions comprising, firstly, the phenyl-substituted bicyclooctane-1,3-dione derivates 33 and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to increasing the activity of crop protection compositions comprising in particular phenyl-substituted bicyclooctane-1,3-dione derivates by adding ammonium salts or phosphonium salts and, if appropriate, penetrants, to the corresponding compositions, to processes for their preparation and to their use in crop protection as insecticides and/or acaricides and/or for preventing unwanted plant growth.
    Type: Application
    Filed: March 30, 2010
    Publication date: February 17, 2011
    Applicant: Bayer CropScience AG
    Inventors: Alfred ANGERMANN, Guido Bojack, Reiner Fischer, Stefan Lehr, Jan Dittgen, Dieter Feucht, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Arnd Voerste
  • Patent number: 7888285
    Abstract: The present invention relates to novel 2,4,6-phenyl-substituted cyclic ketoenols of the formula (I) in which W, X, Y and CKE have the meanings given in the disclosure, to a plurality of processes for their preparation and to their use as pesticides and/or herbicides. The invention further relates to selectively herbicidal compositions containing 2,4,6-phenyl-substituted cyclic ketoenols and a compound which improves crop plant tolerance.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: February 15, 2011
    Assignee: Bayer CropScience AG
    Inventors: Reiner Fischer, Klaus Kunz, Stefan Lehr, Michael Ruther, Udo Schneider, Markus Dollinger, Mark Wilhelm Drewes, Dieter Feucht, Jörg Konze, Ulrike Wachendorff-Neumann, Guido Bojack, Thomas Auler, Martin Jeffrey Hills, Thomas Bretschneider, Olga Malsam, Christoph Erdelen, Angelika Lubos-Erdelen, legal representative, Alfred Angermann, Heinz Kehne, Christopher Hugh Rosinger
  • Publication number: 20110015073
    Abstract: 4-(3-Aminobenzoyl)-5-cyclopropylisoxazoles of the formula (I) are described as herbicides. In this formula (I), A, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen.
    Type: Application
    Filed: March 19, 2009
    Publication date: January 20, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Heinz Kehne, Andreas Almsick, Hartmut Ahrens, Dieter Feucht, Ines Heinemann, Jan Dittgen, Martin Jeffrey Hills, Stefan Lehr, Christopher Hugh Rosinger
  • Publication number: 20110003692
    Abstract: The invention describes phenyl-substituted pyridazinones of the formula (I) as herbicides and insecticides. In this formula (I), A, B, G, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro and cyano.
    Type: Application
    Filed: December 14, 2009
    Publication date: January 6, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Stefan Lehr, Thomas Schenke, Christopher Hugh Rosinger, Reiner Fischer, Isolde Häuser-Hahn, Dieter Feucht, Jan Dittgen, Pierre Cristau, Oliver Gaertzen, Stefan Herrmann, Olga Malsam, Eva-Maria Franken
  • Publication number: 20100311593
    Abstract: The invention relates to novel compounds of the formula (I), in which W, X, Y, Z and CKE are each as defined above, to several methods and intermediates for preparation thereof and to the use thereof as pesticides and/or herbicides. The invention also relates to selective herbicidal compositions which comprise firstly haloalkylmethyleneoxyphenyl-substituted ketoenols and secondly a compound which improves crop plant compatibility. The present invention further relates to the enhancement of the action of crop protection compositions comprising especially haloalkylmethyleneoxyphenyl-substituted ketoenols, by the addition of ammonium or phosphonium salts and optionally penetration enhancers, to the corresponding compositions, to methods for production thereof and to the use thereof in crop protection as insecticides and/or acaricides and/or for preventing undesired plant growth.
    Type: Application
    Filed: March 11, 2010
    Publication date: December 9, 2010
    Applicant: Bayer Cropscience AG
    Inventors: Reiner Fischer, Thomas Bretschneider, Stefan Lehr, Eva-Maria Franken, Olga Malsam, Arnd Voerste, Ulrich Görgens, Jan Dittgen, Dieter Feucht, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Alfred Angermann
  • Publication number: 20100298145
    Abstract: The present invention relates to novel compounds of the formula (I), in which W, X, Y, Z, G, A and t have the meanings given above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides. Moreover, the invention relates to selective herbicidal compositions comprising, firstly, the spiroheterocyclic tetronic acid derivates and, secondly, a crop plant compatibility-improving compound. The present invention furthermore relates to increasing the activity of crop protection compositions comprising in particular phenyl-substituted bicyclooctane-1,3-dione derivates by adding ammonium salts or phosphonium salts and, if appropriate, penetrants, to the corresponding compositions, to processes for their preparation and to their use in crop protection as insecticides and/or acaricides and/or for preventing unwanted plant growth.
    Type: Application
    Filed: May 19, 2010
    Publication date: November 25, 2010
    Applicant: Bayer CropScience AG
    Inventors: Thomas BRETSCHNEIDER, Reiner Fischer, Stefan Lehr, Olga Malsam, Arnd Voerste
  • Publication number: 20100279873
    Abstract: The invention relates to novel haloalkoxyspirocyclic tetramic and tetronic acid derivatives of the formula (I) in which W, X, Y, Z, A, D, Q1, Q2, m and G have the meanings given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. Moreover, the invention provides selective herbicidal compositions comprising, firstly, haloalkoxyspirocyclic tetramic and tetronic acid derivatives and, secondly, a crop plant compatibility-improving compound. The invention furthermore relates to increasing the action of crop protection compositions comprising compounds of the formula (I) through the addition of ammonium salts or phosphonium salts and optionally penetrants.
    Type: Application
    Filed: September 12, 2008
    Publication date: November 4, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Reiner Fischer, Thomas Bretschneider, Stefan Lehr, Christian Arnold, Jan Dittgen, Dieter Feucht, Heinz Kehne, Olga Malsam, Christopher Hugh Rosinger, Eva-Maria Franken, Ulrich Görgens
  • Publication number: 20100267964
    Abstract: The invention relates to novel intermediates for the preparation of N-heterocyclylphenyl-substituted cyclic ketoenols of the formula (I) in which CKE, W, X, Y and Z are as defined in the disclosure.
    Type: Application
    Filed: May 27, 2010
    Publication date: October 21, 2010
    Inventors: Reiner Fischer, Astrid Ullmann, Thomas Bretschneider, Stefan Lehr, Klaus Kunz, Jorg Konze, Olga Malsam, Mark Wilhelm Drewes, Dieter Feucht, Karl-Heinz Kuck, Ulrike Wachendorff-Neumann, Wahed Ahmed Moradi, Guido Bojack, Thomas Auler, Martin Hills, Heinz Kehne
  • Publication number: 20100261934
    Abstract: The invention relates to novel 2,6-diethyl-4-methylphenyl-substituted tetramic acid derivatives of the formula (I) in which A, B, D and G are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selectively herbicidal compositions comprising, firstly, the 2,6-diethyl-4-methylphenyl-substituted tetramic acid derivatives of the formula (I) and, secondly, at least one crop plant tolerance promoter compound.
    Type: Application
    Filed: June 23, 2010
    Publication date: October 14, 2010
    Applicant: Bayer CropScience AG
    Inventors: Reiner FISCHER, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Jeffrey Marin Hills, Heinz Kehne, Chris Rosinger
  • Publication number: 20100261608
    Abstract: The invention relates to novel compounds of the formula (I) in which W, X, Y, Z, A, B and G have the meanings given above, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and/or herbicides. The invention also provides selective herbicidal compositions comprising, firstly, geminally alkoxy/alkylspirocyclically substituted tetramic acid derivatives and, secondly, a crop plant compatibility-improving compound. The invention furthermore relates to the boosting of the action of crop protection compositions comprising compounds of the formula (I) through the addition of ammonium salts or phosphonium salts and optionally penetrants.
    Type: Application
    Filed: November 19, 2009
    Publication date: October 14, 2010
    Applicant: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Jan Dittgen, Dieter Feucht, Ulrich Görgens, Isolde Häuser-Hahn, Christopher Hugh Rosinger, Arnd Voerste, Eva-Maria Franken, Olga Malsam
  • Publication number: 20100240924
    Abstract: The invention relates to a novel 2-ethyl-4,6-dimethylphenyl-substituted tetramic acid derivatives of the formula (I) in which A, B, D and G are as defined above, to a plurality of processes and intermediates for the preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising firstly 2-ethyl-4,6-dimethylphenyl-substituted tetramic acid derivatives of the formula (I) or (I-a?) and secondly at least one crop plant compatibility-improving compound.
    Type: Application
    Filed: March 10, 2010
    Publication date: September 23, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Reiner Fischer, Stefan Lehr, Dieter Feucht, Peter Lösel, Olga Malsam, Guido Bojack, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger
  • Patent number: 7776791
    Abstract: The invention relates to novel N-heterocyclylphenyl-substituted cyclic ketoenols of the formula (I) in which CKE, W, X, Y and Z are as defined in the disclosure, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides and/or microbicides. The invention further relates to selective herbicidal compositions comprising firstly the N-heterocyclylphenyl-substituted cyclic ketoenols and secondly a compound which improves crop plant tolerance.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: August 17, 2010
    Assignee: Bayer CropScience AG
    Inventors: Reiner Fischer, Astrid Ullmann, Thomas Bretschneider, Stefan Lehr, Klaus Kunz, Jörg Konze, Olga Malsam, Mark Wilhelm Drewes, Dieter Feucht, Karl-Heinz Kuck, Ulrike Wachendorff-Neumann, Wahed Ahmed Moradi, Guido Bojack, Thomas Auler, Martin Hills, Heinz Kehne
  • Publication number: 20100184602
    Abstract: The invention describes phenyl-substituted pyridazinones of the formula (I) as herbicides and insecticides. In this formula (I), A, B, G, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro and cyano.
    Type: Application
    Filed: December 15, 2009
    Publication date: July 22, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Stefan Lehr, Thomas Schenke, Christopher Hugh Rosinger, Reiner Fischer, Isolde Häuser-Hahn, Dieter Feucht, Jan Dittgen, Pierre Cristau, Oliver Gaertzen, Stefan Herrmann, Olga Malsam, Eva-Maria Franken
  • Publication number: 20100174084
    Abstract: The invention relates to novel 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) in which A, B, D, G, X, Y and Z are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising, firstly, the 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) and, secondly, at least one crop plant tolerance promoter compound.
    Type: Application
    Filed: March 16, 2010
    Publication date: July 8, 2010
    Applicant: Bayer CropScience AG
    Inventors: Reiner FISCHER, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Chris Rosinger
  • Publication number: 20100173775
    Abstract: The invention describes phenyl-substituted pyridazinones of the formula (I) as herbicides and insecticides. In this formula (I), A, B, G, X, Y and Z are radicals such as hydrogen, organic radicals such as alkyl, and other radicals such as halogen, nitro and cyano.
    Type: Application
    Filed: December 15, 2009
    Publication date: July 8, 2010
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Stefan LEHR, Thomas Schenke, Christopher Hugh Rosinger, Reiner Fischer, Isolde Häuser-Hahn, Dieter Feucht, Jan Dittgen, Pierre Cristau, Oliver Gaertzen, Stefan Herrmann, Olga Malsam, Eva-Maria Franken
  • Patent number: 7727933
    Abstract: The invention relates to novel 2-ethyl-4,6-dimethylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) in which A, B and G are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising firstly the 2-ethyl-4,6-dimethylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) (where G may also be hydrogen) and secondly at least one crop plant compatibility-improving compound.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: June 1, 2010
    Assignee: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Mark Wilhelm Drewes, Christoph Erdelen, Angelika Lubos-Erdelen, legal representative, Dieter Feucht, Jörg Konze, Peter Lösel, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Christopher Hugh Rosinger
  • Patent number: 7718186
    Abstract: The invention relates to novel 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) in which A, B, D, G, X, Y and Z are as defined above, to a plurality of processes and intermediates for their preparation and to their use as pesticides and/or herbicides, and also to selective herbicidal compositions comprising, firstly, the 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives of the formula (I) and, secondly, at least one crop plant tolerance promoter compound.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: May 18, 2010
    Assignee: Bayer CropScience AG
    Inventors: Reiner Fischer, Stefan Lehr, Mark Wilhelm Drewes, Dieter Feucht, Olga Malsam, Guido Bojack, Christian Arnold, Thomas Auler, Martin Jeffrey Hills, Heinz Kehne, Chris Rosinger