Patents by Inventor Rolf Pontzen

Rolf Pontzen 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: 20030228983
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) 1
    Type: Application
    Filed: April 23, 2003
    Publication date: December 11, 2003
    Inventors: Klaus-Helmut Muller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20030220196
    Abstract: The present invention relates to novel phenyl-substituted 2-enamino-ketonitriles of the formula (I): 1
    Type: Application
    Filed: November 5, 2002
    Publication date: November 27, 2003
    Inventors: Reiner Fischer, Jutta Bohmer, Ralf Wischnat, Mark Wilhelm Drewes, Peter Dahmen, Rolf Pontzen, Peter Losel, Christoph Erdelen, Dieter Feucht
  • Patent number: 6649565
    Abstract: Selective herbicidal compositions are provided which comprise an effective amount of an active compound combination comprising 2-(2-methoxycarbonylphenylsulphonylaminocarbonyl)-4-methyl-5-propoxy-2, 4-dihydro-3H-1,2,4-triazol-3-one of the formula (I) and/or one or more salts of the compound of the formula (I), in particular the sodium salt and at least one crop plant compatibility-improving compound as described herein.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: November 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Feucht, Peter Dahmen, Mark Wilhelm Drewes, Birgit Krauskopf, Mathias Kremer, Rolf Pontzen, Hans-Joachim Santel, Arndt Wellmann, Joachim Kluth, Klaus-Helmut Müller
  • Patent number: 6649760
    Abstract: Phenyluracils of the general formula (I) in which Q, R1, R2, R3, R4, R5 and R6 each have one of the meanings given in the description, and processes for their preparation and their use as herbicides.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: November 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Hans-Georg Schwarz, Karl-Heinz Linker, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20030211942
    Abstract: The invention relates to novel herbicidal synergistic active compound combinations which comprise firstly arylsulphonylaminocarbonyltriazolinones and secondly herbicidally active compounds and/or safeners listed in the description, and which can be used with particularly good results for the selective control of weeds in various crops of useful plants.
    Type: Application
    Filed: December 19, 2002
    Publication date: November 13, 2003
    Inventors: Dieter Feucht, Peter Dahmen, Mark Wilhelm Drewes, Rolf Pontzen, Mathias Kremer, Klaus-Helmut Muller
  • Patent number: 6645915
    Abstract: The invention relates to novel substituted 1,3,5-triazines of the general formula (I) in which A represents CHR3R4 or represents C1-halogenoalkyl-substituted C3-C6-cycloalkyl, C3-C6-alkinyl or C1-C4-cyanoalkyl, where R1, R2, R3 and R4 are each as defined in the description, and to processes for their preparation, to novel intermediates, including their preparation, and to the use of the compounds of the general formula (I) as herbicides.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: November 11, 2003
    Assignees: Nihon Bayer Agrochem K. K., Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Akihiko Yanagi, Yukiyoshi Watanabe, Toshio Goto, Kristian Kather, Stefan Lehr, Katharina Voigt, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6624120
    Abstract: The invention relates to novel substituted phenyluracils of the general formula (I) in which m, n, Q, R1, R2, R3, R4, R5, X and Y are each as defined in the description, to processes for their preparation, to novel intermediates and to their use as herbicides.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: September 23, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6617281
    Abstract: The invention relates to new substituted acylaminophenyl-uracils of the general formula (I) in which n, A, Ar, Q1, R1, R2, R3, R4, R5 and R6 have the meanings given in the description, and to a process for their preparation, and to their use as herbicides.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: September 9, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Patent number: 6610631
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) in which n, A, R1, R2, R3, R4 and Z are each as defined in the description, to processes for their preparation and to their use as herbicides.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: August 26, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6608004
    Abstract: The invention relates to novel substituted 2-aryl-1,2,4-triazine-3,5-di(thi)ones of the general formula (I), in which Q1, Q2, R1, R2, R3, R4, R5 and R6 are each as defined in the description, and to processes for their preparation and to their use as herbicides.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: August 19, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Linker, Joachim Kluth, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20030153465
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) 1
    Type: Application
    Filed: July 15, 2002
    Publication date: August 14, 2003
    Inventors: Otto Schallner, Stefan Lehr, Hans-Georg Schwarz, Klaus-Helmut Muller, Dorothee Hoischen, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Akihiko Yanagi, Shinichi Narabu, Toshio Goto
  • Patent number: 6602827
    Abstract: The invention relates to novel 5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilides of the general formula (I) in which n represents the number 0, 1, 2 or 3, R represents straight-chain or branched alkyl having 1 to 4 carbon atoms, and X represents nitro, cyano, halogen or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl having in each case 1 to 4 carbon atoms, except for the compounds N-methyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, N-ethyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, 4-chloro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 3-trifluoromethyl-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide, N-i-propyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, and 4-fluoro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 4-fluoro-N-ethyl-(5-chlorodifluoromethyl-1
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: August 5, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Heinz Förster, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20030139454
    Abstract: There are described new active compound combinations of a compound of the formula (I) 1
    Type: Application
    Filed: November 6, 2002
    Publication date: July 24, 2003
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Kruger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Publication number: 20030119674
    Abstract: The invention relates to novel substituted benzoylcyclohexanediones of the general formula (I) 1
    Type: Application
    Filed: June 21, 2002
    Publication date: June 26, 2003
    Inventors: Klaus-Helmut Muller, Hans-Georg Schwarz, Stefan Lehr, Otto Schallner, Dorothee Hoischen, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6573219
    Abstract: The invention relates to novel substituted heterocyclyl-2H-chromenes of the general formula (I) in which R1, R2, R3, R4, R5 Z are each as defined in the description, and to a process for their preparation and to their use as herbicides.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: June 3, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Linker, Roland Andree, Karl-Julius Reubke, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20030096806
    Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I) 1
    Type: Application
    Filed: July 10, 2002
    Publication date: May 22, 2003
    Inventors: Folker Lieb, Reiner Fischer, Alan Graff, Udo Schneider, Thomas Bretschneider, Christoph Erdelen, Wolfram Andersch, Mark Wilhelm Drewes, Markus Dollinger, Ingo Wetcholowsky, Dieter Feucht, Rolf Pontzen, Randy Allen Myers
  • Patent number: 6562759
    Abstract: The invention relates to novel substituted phenyluracils of the general formula (I) in which A represents alkanediyl or alkenediyl, each of which has 2 to 5 carbon atoms and each of which is optionally substituted by cyano, halogen or by in each case optionally halogen- or C1-C4-alkoxy-substituted C1-C4-alkyl, C1-C4-alk-oxy-carbonyl or C2-C4-alkenyl or interrupted by O (oxygen), or represents cyclohexane-1,2-diyl or 1,2-phenylene, Q1 represents O (oxygen) or S (sulphur), Q2 represents O (oxygen) or S (sulphur), R1 represents hydrogen, amino or optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl having 1 to 4 carbon atoms, R2 represents optionally halogen-substituted alkyl having 1 to 4 carbon atoms, R3 represents hydrogen, halogen or optionally halogen-substituted alkyl having 1 to 4 carbon atoms, R4 represents hydrogen, cyano, carbamoyl, thiocarbamoyl or halogen, R5 represents cyano, carbamoyl, thiocarbamoyl or in each case optionally halogen-substituted alkyl or alkoxy ha
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: May 13, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6559102
    Abstract: The invention relates to novel substituted 3-aryl-pyrazoles of the general formula (I) in which n, Q, R1, R2, R3, R4, R5 and X are each as defined in the description, and also to processes for their preparation and to their use as herbicides.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: May 6, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Karl-Heinz Linker, Joachim Kluth, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Publication number: 20030069140
    Abstract: The invention relates to novel substituted 2-aryl-1,2,4-triazine-3,5-di(thi)ones of the general formula (I), 1
    Type: Application
    Filed: November 29, 2001
    Publication date: April 10, 2003
    Inventors: Karl-Heinz Linker, Joachim Kluth, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6544931
    Abstract: The invention relates to novel substituted heteroaryloxyacetanilides of the general formula (I), in which n, R, X, and Z are to intermediates for their preparation and to their use as herbicides.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: April 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Lothar Rohe, Joachim Kluth, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen