Patents by Inventor Stefan Dutzmann

Stefan Dutzmann 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).

  • Fungicidal active compound combinations
    Publication number: 20010016591
    Abstract: There are described new active compound combinations of a compound of the formula (I) 1
    Type: Application
    Filed: February 1, 2001
    Publication date: August 23, 2001
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Kruger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Isothiazole carboxylic acid amides and the application thereof in order to protect plants
    Patent number: 6277791
    Abstract: Novel isothiazolecarboxamides of the formula in which R is as defined in the description, a plurality of processes for preparing the novel compounds and their use for protecting plants against attack by undesirable microorganisms and animal pests.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: August 21, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Dietmar Kuhnt, Hans-Ludwig Elbe, Christoph Erdelen, Stefan Dutzmann, Gerd Hänssler, Klaus Stenzel, Astrid Mauler-Machnik, Yoshinori Kitagawa, Haruko Sawada, Haruhiko Sakuma
  • Acyl mercapto-triazolyl derivatives and the use thereof as microbicides
    Patent number: 6274610
    Abstract: The present invention provides the composition for novel acyl-mercapto-triazolyl derivatives, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: August 14, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • Oxime derivatives and their use as fungicides
    Patent number: 6271226
    Abstract: The invention relates to novel oxime derivatives of formula (I), in which A stands for alkadiyl, Ar for optionally substituted aryls or heteroaryls respectively, G for a single bond, optionally an alkandiyl interrupted by heteroatoms (in which nonetheless the carbon atom is bound to R1, and is always bound to a carbon atom of the alkandiyl chain) or a grouping, R3—O—N═C═ wherein R3 stands for alkyl, R1 respectively for hydrogen, cyano or substituted alkyl, alkoxy, alkylthio, alkylamino or cycloalkyl, R2 stands for hydrogen or alkyl, Y stands for oxygen, sulfur or NH, and Z stands respectively for optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, aryl or heterocyclyl, to a method for their production and their use as fungicides, as well as to new intermediate products and multiple methods for their production.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: August 7, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Krüger, Peter Gerdes, Herbert Gayer, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel, Gerd Hänssler
  • Fungicidal methoximinomethyldioxazines
    Patent number: 6262051
    Abstract: The invention relates to novel methoximinomethyldioxazines, to a plurality of processes for their preparation and to their use as fungicides, and also to novel intermediates and to a process for their preparation.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: July 17, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Bernd-Wieland Krüger, Robert Markert, Thomas Seitz, Bernd Gallenkamp, Uwe Stelzer, Ralf Tiemann, Astrid Mauler-Machnik, Stefan Dutzmann, Klaus Stenzel, Gerd Hänssler
  • Triazolinethione-phosphoric acid derivatives
    Patent number: 6262039
    Abstract: Novel triazolinethione-phosphoric acid derivatives of the formula in which R1, R2, R3 and Q are each as defined in the description and their metal salt complexes, a process for preparing the novel substances and their use as microbicides in crop protection and in the protection of materials are described.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: July 17, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Hillebrand, Bernd-Wieland Krüger, Manfred Jautelat, Klaus Stenzel, Astrid Mauler-Machnik, Stefan Dutzmann
  • Triazolyl disulphides
    Patent number: 6245794
    Abstract: The present invention provides the composition for novel triazoyl disulphides, the acid addition salts and metal salt complexes of the triazolyl disulphides, a process for their preparation, and a method for their use as microbicides.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: June 12, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • Hydroxamic-acid derivatives, method of preparing them and their use as fungicides
    Patent number: 6235790
    Abstract: Hydroxamic acid derivatives of the general formula (I), in which Z, G, Ar, E, A1 and A have the meanings given in the description, to a process for their preparation, and to their use as pesticides, particularly as fungicides.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: May 22, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Krüger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Thomas Seitz, Bernd Gallenkamp, Ral Tiemann, Gerd Hänssler, Heinz-Wilhelm Dehne, Stefan Dutzmann
  • Fungicidal active compound combinations
    Patent number: 6235744
    Abstract: There are described new active compound combinations of a compound of the formula (I) with known fungicidal active compounds, and their use for the control of phytopathogenic fungi.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: May 22, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Krüger
  • Halogen pyrimidinyl aryl (thio)ethers as pesticides
    Patent number: 6235743
    Abstract: The invention relates to novel halogenopyrimidines, to two processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: May 22, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Krüger, Ralf Tiemann, Stefan Dutzmann, Gerd Hänssler, Klaus Stenzel
  • Microbicide 1,4,2-dioxazine derivatives
    Patent number: 6221862
    Abstract: The invention relates to new thioimides, a process for their preparation and their use as fungicides.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: April 24, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Krüger, Klaus Stenzel, Stefan Dutzmann, Astrid Mauler-Machnik, Gerd Hänssler
  • Aza-heterocycloakenes, pesticidal compositions containing them, pesticidal methods of using them, and processes for preparing them
    Patent number: 6214825
    Abstract: Aza-heterocycloalkenes of the formula (I): wherein Z, G, Ar, E, y1, A and Y2 are as described herein are useful for combating pests, particularly fungi. Processes for preparing the compounds of formula (I) are also disclosed, along with intermediates useful therein.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: April 10, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Krüger, Ulrich Heinemann, Herbert Gayer, Lutz Assmann, Ralf Tiemann, Thomas Seitz, Gerd Hänssler, Klaus Stenzel, Stefan Dutzmann
  • Fungicidal active compound combinations
    Patent number: 6207691
    Abstract: There are described new active compound combinations of a compound of the formula (I) with known fungicidal active compounds, and their use for combating phytopathogenic fungi.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: March 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Krüger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Imidic acid derivatives and their use as pesticides
    Patent number: 6194464
    Abstract: The present invention relates to new imidic acid derivatives of the formula (I) to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: February 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Kuhnt, Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Jörg Stetter, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann
  • Fungicidal active substance combinations
    Patent number: 6191128
    Abstract: Novel active compound combinations comprising a compound of the formula (I) and known fungicidally active compounds, and their use for controlling phytopathogenic fungi, are described.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: February 20, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Stefan Dutzmann, Ulrich Heinemann
  • Isothiazolcarboxylic acid derivatives
    Patent number: 6191155
    Abstract: Novel isothiazolecarboxylic acid derivatives of the formula in which R is as defined in the description, a process for preparing the novel compounds and their use for protecting plants against attack by undesirable microorganisms and animal pests.
    Type: Grant
    Filed: June 5, 2000
    Date of Patent: February 20, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Dietmar Kuhnt, Hans-Ludwig Elbe, Christoph Erdelen, Stefan Dutzmann, Gerd Hänssler, Klaus Stenzel, Astrid Mauler-Machnik, Haruko Sawada, Haruhiko Sakuma
  • Oxime derivatives and their use as pesticides
    Patent number: 6177463
    Abstract: The invention relates to new oxime derivatives, to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: January 23, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Gerdes, Herbert Gayer, Bernd-Wieland Kr{umlaut over (u)}ger, Bernd Gallenkamp, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd H{umlaut over (a)}nssler, Klaus Stenzel
  • Substituted heterocyclic compounds and their use as fungicides
    Patent number: 6177459
    Abstract: The invention relates to novel substituted heterocyclic compounds, to a plurality of processes for their preparation and to their use as fungicides, and to novel intermediates, to a plurality of processes for their preparation and to their use as fungicides.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: January 23, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Bernd-Wieland Kr{umlaut over (u)}ger, Dietmar Kuhnt, Ulrich Heinemann, Peter Gerdes, Ralf Tiemann, Gerd Hanssler, Klaus Stenzel, Stefan Dutzmann
  • Thiocyano- triazolyl derivatives and their use as microbicides
    Patent number: 6166059
    Abstract: The present invention provides novel thiocyanato-triazolyl derivatives, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: December 26, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel, Gerd Hanssler
  • Pyridyl-thiazoles and their use to protect plants against infections by micro-organisms
    Patent number: 6160121
    Abstract: Pyridyl-thiazoles of the formula ##STR1## intermediates of the formulae ##STR2## and their salts and acid adducts suitable for the protection of plants against attack by undesirable microorganisms are disclosed.
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: December 12, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Klaus Stenzel, Gerd Hanssler, Stefan Dutzmann, Heinz-Wilhelm Dehne