Patents by Inventor Michael Ruther

Michael Ruther 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).

  • Dialkyl-halogenophenyl-substituted ketoenols
    Patent number: 6759548
    Abstract: The present invention relates to new compounds of the formula (I) in which X represents alkyl, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that one of the radicals Y and Z always represents halogen and the other alkyl, Het represents one of the groups in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation and their use as pesticides and herbicides.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: July 6, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch
  • 2-phenyl-substituted heterocyclic 1,3-ketoenols as herbicides and pesticides
    Patent number: 6746990
    Abstract: The present invention relates to new compounds of the formula (I): in which X, Y and Z have the meanings given in the description and Het represents one of the groups: in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation, and to their use as pesticides and herbicides.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: June 8, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Norbert Lui, Michael Ruther, Arno Widdig, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Peter Dahmen, Norbert Mencke, Andreas Turberg
  • 1-H-3-arylpirrolidine-2,4-dione derivatives
    Publication number: 20040019061
    Abstract: The invention concerns 1-H-3-arylpyrrolidine-2,4-dione derivatives of formula (I), 1
    Type: Application
    Filed: July 3, 2002
    Publication date: January 29, 2004
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Michael Ruther, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • C2-phenyl-substituted cyclic keto-enols used as pesticides and herbicides
    Publication number: 20030216260
    Abstract: The present invention relates to novel C2-phenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: December 16, 2002
    Publication date: November 20, 2003
    Inventors: Michael Ruther, Hermann Hagemann, Udo Schneider, Markus Dollinger, Peter Dahmen, Ulrike Wachendorff-Neumann, Rainer Fischer, Alan Graff, Thomas Bretschneider, Christoph Erdelen, Mark Wilhelm Drewes, Dieter Feucht, Folker Lieb
  • Alkyl-dihalogenophenyl-substituted ketoenols
    Publication number: 20030199572
    Abstract: The present invention relates to new compounds of the formula (I) 1
    Type: Application
    Filed: December 14, 2001
    Publication date: October 23, 2003
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Peter Dahmen, Markus Dollinger, Hans-Joachim Santel, Alan Graff, Wolfram Andersch, Norbert Mencke, Andreas Turberg
  • 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides
    Publication number: 20030171219
    Abstract: The invention relates to new phenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: September 19, 2002
    Publication date: September 11, 2003
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Alan Graff, Norbert Mencke, Andreas Turberg, Peter Dahmen
  • Dialkyl-halogenophenyl-substituted ketoenols
    Publication number: 20030144504
    Abstract: The present invention relates to new compounds of the formula (I) 1
    Type: Application
    Filed: July 18, 2002
    Publication date: July 31, 2003
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch
  • 2-and 2,5-substituted phenylketoenols
    Patent number: 6596873
    Abstract: The invention relates to novel phenyl-substituted cyclic ketoenols of the formula (I) in which Het represents one of the groups  in which A, B, D, G, X and Z are each as defined in the description, to a plurality of processes and intermediates for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: July 22, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Thomas Bretschneider, Michael Ruther, Alan Graff, Udo Schneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Wolfram Andersch, Andreas Turberg
  • Oxymethoxy-3-aryl-pyrone derivatives
    Patent number: 6576771
    Abstract: The invention relates to novel oxymethoxy-3-aryl-pyrone derivatives of the formula (I) in which A, D, R1, R2, X, Y, Z and n have the meanings specified in the description, a process for their preparation and their use as pesticides, fungicides and herbicides.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: June 10, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Bretschneider, Reiner Fischer, Folker Lieb, Hermann Hagemann, Michael Ruther, Jörg Stetter, Wolfram Andersch, Christoph Erdelen, Gerd Hänssler, Norbert Mencke, Klaus Stenzel, Andreas Turberg, Ulrike Wachendorff-Neumann
  • Cyclopentane-1,3-dione derivatives
    Patent number: 6569810
    Abstract: The present invention relates to novel bicyclic cyclopentane-1,3-dione derivatives of the formula (I) to a process for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: May 27, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Michael Ruther, Alan Graff, Arno Widdig, Jacques Dumas, Christoph Erdelen, Peter Dahmen, Markus Dollinger, Ulrike Wachendorff-Neumann
  • Method for production of a triazolinethione derivative
    Patent number: 6559317
    Abstract: According to a novel process, the triazolinethione derivative of the formula can be prepared by a) reacting the oxirane of the formula  with hydrazine hydrate in the presence of specific diluents, followed by introduction of hydrogen chloride or extraction with aqueous hydrochloric acid, b) treating the resulting hydrazine hydrochloride derivative of the formula  with alkali metal hydroxide in the presence of water and further specific diluents, followed by successive reaction with formaldehyde and thiocyanate of the formula X—SCN  (IV)  in the presence of certain solvents and finally c) reacting the triazolidine derivative of the formula  with iron(III) chloride in the presence of aqueous hydrochloric acid.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: May 6, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Achim Hupperts, Michael Ruther, Manfred Jautelat
  • Phenyl-substituted cyclic ketoenols
    Publication number: 20030045432
    Abstract: The present invention relates to new compounds of the formula (I) 1
    Type: Application
    Filed: December 11, 2001
    Publication date: March 6, 2003
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Norbert Lui, Michael Ruther, Arno Widdig, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Peter Dahmen, Norbert Mencke, Andreas Turberg
  • Cyclopentane-1,3-dione derivatives, herbicidal and pesticidal compositions containing them, methods of using them to combat pests and weeds and process for the preparation thereof
    Patent number: 6515184
    Abstract: The present invention relates to novel bicyclic cyclopentane-1,3-dione derivatives of the formula (I) to a process for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: February 4, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Michael Ruther, Alan Graff, Arno Widdig, Jacques Dumas, Christoph Erdelen, Peter Dahmen, Markus Dollinger, Ulrike Wachendorff-Neumann
  • 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides
    Patent number: 6511942
    Abstract: The invention relates to new phenyl-substituted cyclic ketoenols of the formula (I) in which Het represents one of the groups wherein A, B, D, G, X, Y and Z have the meaning given in the description, several processes and intermediate products for their preparation and their use as pest control agents and herbicides.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: January 28, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger, Alan Graff, Norbert Mencke, Andreas Turberg, Peter Dahmen
  • Method for production of a triazolinethione derivative
    Publication number: 20030013890
    Abstract: According to a novel process, the triazolinethione derivative of the formula 1
    Type: Application
    Filed: June 14, 2002
    Publication date: January 16, 2003
    Inventors: Achim Hupperts, Michael Ruther, Manfred Jautelat
  • 2- and 2.5-substituted phenylketoenols
    Patent number: 6504036
    Abstract: The invention relates to novel phenyl-substituted cyclic ketoenols of the formula (I) in which Het represents one of the groups in which A, B, D, G, X and Z are each as defined in the description, to a plurality of processes and intermediates for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: January 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Thomas Bretschneider, Michael Ruther, Alan Graff, Udo Schneider, Christoph Erdelen, Ulrike Wachendorff-Neuman, Wolfram Andersch, Andreas Turberg
  • Substituted phenyl keto enols as pesticides and herbicides
    Patent number: 6486343
    Abstract: The present invention relates to novel compounds of the formula (I) in which Het represents one of the groups  in which A, B, D, G, V, W, X, Y and Z are as defined in the description, processes and intermediates for their preparation, and to their use as pesticides and herbicides.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: November 26, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Alan Graff, Udo Schneider
  • Utilization of 3-phenyl-pyrones for pest control
    Patent number: 6472350
    Abstract: 3-Phenyl-pyrones of the formula in which x represents pyrid-2-yl and Y represents fluorine, or x represents 4-fluoro-phenyl and Y represents chlorine, are highly suitable for use as pesticides, fungicides and herbicides.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: October 29, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Reiner Fischer, Michael Ruther, Christoph Erdelen
  • 1-H-3-aryl-pyrrolidine-2, 4-dione derivatives as pest-control agents
    Patent number: 6472419
    Abstract: The present invention relates to new 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) in which A, B, G, X, Y and Z have the meanings given in the description, to processes for their preparation, and to intermediates therefor. The compounds of the formula (I) are used as pesticides.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: October 29, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Krüger, Michael Ruther, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides
    Patent number: 6469196
    Abstract: The present invention relates to new compounds of the formula (I) in which X represents alkyl, Y represents halogen or alkyl and Z represents halogen or alkyl, with the proviso that one of the radicals Y and Z always represents halogen and the other alkyl, Het represents one of the groups  in which A, B, D and G have the meanings given in the description, a plurality of processes for their preparation and their use as pesticides and herbicides.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: October 22, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Hermann Hagemann, Folker Lieb, Michael Ruther, Arno Widdig, Peter Dahmen, Markus Dollinger, Christoph Erdelen, Hans-Joachim Santel, Ulrike Wachendorff-Neumann, Alan Graff, Wolfram Andersch