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).

  • Patent number: 6864219
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) wherein all variables are as defined in the specification, and to processes for their preparation, to intermediates and to the use of these compounds as herbicides.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: March 8, 2005
    Assignees: Bayer Aktiengesellschaft, Nihon Bayer Agrochem, K.K.
    Inventors: Otto Schallner, Stefan Lehr, Hans-Georg Schwarz, Klaus-Helmut Müller, Dorothee Hoischen, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Akihiko Yanagi, Shinichi Narabu, Toshio Goto
  • Publication number: 20050049285
    Abstract: Novel dichloropyridylmethylcyanamidines of the formula in which R1 represents hydrogen, alkyl or optionally substituted aralkyl and R2 represents hydrogen, optionally substituted alkyl, optionally substituted alkoxy, optionally substituted alkylthio, optionally substituted aryl, optionally substituted aryloxy or optionally substituted arylthio, a process for preparing the novel compounds and their use for controlling unwanted microorganisms.
    Type: Application
    Filed: December 5, 2001
    Publication date: March 3, 2005
    Inventors: Ernst-Rudolf Gesing, Hans-Jochem Riebel, Katharina Jansen, Kristian Kather, Achim Hense, Stefan Lehr, Gerd Hanssler, Karl-Heinz Kuck, Astrid Mauler-Machnik
  • Publication number: 20050009704
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) in which n represents the number 0, 1 or 2, A represents alkanediyl (alkylene), R1 represents one of the groupings below where m, R5, R6, R7, R8, R9, R10, R11, R12 and R13 each have one of the meanings given in the description, R2 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphenyl, R3 represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkyl-sulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphonyl, and R4 represents an optionally substituted 4- to 12-membered, saturated or unsaturated, monocyclic or bicyclic heterocyclic grouping, and to processes for their preparation, to intermediates and to the use of these compound
    Type: Application
    Filed: July 26, 2004
    Publication date: January 13, 2005
    Inventors: Otto Schallner, Stefan Lehr, Hans-Georg Schwarz, Klaus-Helmut Muller, Dorothee Hoischen, Mark Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Akihiko Yanagi, Shinichi Narabu, Toshio Goto
  • Patent number: 6838415
    Abstract: The invention relates to novel substituted benzoylisoxazoles of the general formula (I), in which n represents the number 0, 1, 2 or 3, A represents a single bond or represents alkanediyl (alkylene), R1 represents hydrogen or represents in each case optionally substituted alkyl, alkenyl or cycloalkyl, R2 represents hydrogen, cyano, carbamoyl, halogen, or represents in each case optionally substituted alkyl, alkylcarbonyl, alkoxy, alkoxycarbonyl or alkylthio, alkylsulphinyl or alkylsulphonyl, R3 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphonyl, R4 represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphonyl, and Z represents an optionally substituted 4-
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: January 4, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Heinz-Jürgen Wroblowsky, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Publication number: 20040248740
    Abstract: The invention relates to novel substituted benzoylpyrazoles of the formula (I), 1
    Type: Application
    Filed: January 30, 2004
    Publication date: December 9, 2004
    Inventors: Klaus-Helmut Muller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Heinz-Jurgen Wroblowsky, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Patent number: 6825183
    Abstract: The invention relates to novel substituted benzoylcyclohexanediones of the general formula (I) in which A1 represents a single bond or represents alkanediyl (alkylene) having 1 to 3 carbon atoms, A2 represents alkanediyl (alkylene) having 1 to 3 carbon atoms, and R1, R2, R3, R4 and R5 are each as defined in the description, and to novel intermediates, to processes for their preparation and to their use as herbicides.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: November 30, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Hans-Georg Schwarz, Stefan Lehr, Otto Schallner, Dorothee Hoischen, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20040235666
    Abstract: The present invention relates to novel substituted imidates of the formula (I) 1
    Type: Application
    Filed: April 7, 2004
    Publication date: November 25, 2004
    Inventors: Achim Hense, Rudiger Fischer, Ernst-Rudolf Gesing, Stefan Herrmann, Kristian Kather, Stefan Lehr, Katharina Jansen, Hans-Jochem Riebel, Peter Jeschke, Christoph Erdelen, Angelika Lubos-Erdelen, Wolfram Andersch, Peter Losel, Udo Reckmann
  • Patent number: 6806292
    Abstract: The present invention relates to novel substituted imide derivatives of the general formula (I) in which R1 represents optionally substituted cycloalkyl, R2 represents optionally substituted alkyl or optionally substituted cycloalkyl, R3 represents alkyl, alkoxy, alkylthio, amino, alkylamino or dialkylamino and R4 represents cyano or nitro, and to processes for their preparation and to their use for controlling animal pests and as herbicides.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: October 19, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Stefan Herrmann, Achim Hense, Ernst-Rudolf Gesing, Kristian Kather, Stefan Lehr, Wolfram Andersch, Mark Wilhelm Drewes, Dieter Feucht, Achim Harder
  • Publication number: 20040171491
    Abstract: The invention relates to novel substituted benzoylcyclohexenones of the formula (I) 1
    Type: Application
    Filed: April 9, 2004
    Publication date: September 2, 2004
    Inventors: Hans-Georg Schwarz, Klaus-Helmut Muller, Stefan Hermann, Dorothee Hoischen, Kristian Kather, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20040162326
    Abstract: The invention relates to novel substituted aryl ketones of the general formula (I) 1
    Type: Application
    Filed: February 20, 2004
    Publication date: August 19, 2004
    Inventors: Klaus-Helmut Muller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6762152
    Abstract: The invention relates to novel substituted benzoyl ketones of the formula (I) in which n represents 0, 1, 2 or 3, A represents a single bond or represents alkanediyl (alkylene), R1 represents hydrogen or represents in each case optionally substituted alkyl or cycloalkyl, R2 represents hydrogen, cyano, carbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkoxycarbonyl, alkylthio, alkylsulphinyl or alkylsulphonyl, R3 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkylamino or dialkylaminosulphonyl, R4 represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl, alkylamino, dialkyiamino or dialkylaminosulphonyl, and Z represents an optionally substituted 4- to 12-membered, saturated or u
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: July 13, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Heinz-Jürgen Wroblowsky, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Publication number: 20040132619
    Abstract: The invention relates to novel selectively herbicidal active compound combinations comprising substituted aryl ketones of the formula (I) 1
    Type: Application
    Filed: February 12, 2004
    Publication date: July 8, 2004
    Inventors: Dieter Feucht, Peter Dahmen, Mark Wilhelm Drewes, Rolf Pontzen, Klaus-Helmut Muller, Stefan Lehr, Hans-Georg Schwarz, Toshio Goto, Shinichi Shirakura
  • Patent number: 6756342
    Abstract: The invention relates to novel substituted thienocycloalk(en)ylamino-1,3,5-triazines of the general formula (I) in which Z, R1, R2, R3 are as defined in the description, and to processes for their preparation, to there use as herbicides and to the intermediates required for their preparation including their preparation processes in the case of the preferred compounds.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: June 29, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kristian Kather, Stefan Lehr, Hans-Jochem Riebel, Katharina Voigt, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Publication number: 20040116294
    Abstract: The invention relates to novel herbicidal synergistic active compound combinations comprising, firstly, known substituted aryl ketones and, secondly, one or more known herbicidally active compounds and optionally additionally a compound which improves crop plant compatibility, which combinations can be used with particularly good results for controlling weeds in various crops of useful plants or else for controlling monocotyledonous and dicotyledonous weeds in the semi- and nonselective field.
    Type: Application
    Filed: January 21, 2004
    Publication date: June 17, 2004
    Inventors: Dieter Feucht, Peter Dahmen, Mark Wilhelm Drewes, Rolf Pontzen, Klaus-Helmut Muller, Stefan Lehr, Hans-Georg Schwarz, Toshio Goto, Shinichi Shirakura
  • Publication number: 20040110640
    Abstract: The invention relates to benzoylpyrazoles of the general formula (I), 1
    Type: Application
    Filed: November 14, 2003
    Publication date: June 10, 2004
    Inventors: Hans-Georg Schwarz, Klaus-Helmut Mller, Stefan Herrmann, Dorothee Hoischen, Kristian Kather, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6746989
    Abstract: The invention relates to novel substituted benzoylpyrazoles of the general formula (I), in which n represents the numbers 0, 1, 2 or 3, A represents a single bond or represents alkanediyl(alkylene), R1 represents in each case optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl, R2 represents hydrogen, cyano, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkoxycarbonyl or cycloalkyl, R3 represents hydrogen, nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, dialkylamino or dialkylaminosulfonyl, R4 represents nitro, cyano, carboxyl, carbamoyl, thiocarbamoyl, halogen, or represents in each case optionally substituted alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylamino, dialkylamino or dialkylaminosulfonyl, Y represents hydrogen or represents in each case optionally substituted
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: June 8, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Heinz-Jürgen Wroblowsky, Mark Wilhelm Drewes, Dieter Feucht, Rolf Pontzen, Ingo Wetcholowsky
  • Publication number: 20040097376
    Abstract: The invention relates to novel substituted aryl ketones of the formula (I) 1
    Type: Application
    Filed: July 17, 2003
    Publication date: May 20, 2004
    Inventors: Klaus-Helmut Muller, Stefan Herrmann, Dorothee Hoischen, Stefan Lehr, Hans-Georg Schwarz, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6727206
    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: April 23, 2003
    Date of Patent: April 27, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Müller, Stefan Lehr, Otto Schallner, Hans-Georg Schwarz, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20040002599
    Abstract: The invention relates to novel substituted benzoylcyclohexenones of the formula (I), 1
    Type: Application
    Filed: October 21, 2002
    Publication date: January 1, 2004
    Inventors: Klaus-Helmut Muller, Hans-Georg Schwarz, Stefan Herrmann, Dorothee Hoischen, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Akihiko Yanagi, Shinichi Narabu, Toshio Goto, Seishi Ito, Chieko Ueno
  • 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