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 compositions
    Patent number: 6153636
    Abstract: A novel fungicidal composition comprising a fungicidally effective amount of a combination consisting of(A) the known aminomethyl heterocycle of the formula ##STR1## and (B) at least one other known fungicidally active compound selected from the group mentioned in the specification.The novel compositions show a synergistic activity.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: November 28, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kramer
  • Substituted cycloalkenes, process of preparing them and method of using them as pesticides
    Patent number: 6150374
    Abstract: The invention relates to novel substituted cycloalkenes of the formula (I), ##STR1## to a plurality of processes for their preparation, and to novel intermediates and a plurality of processes for their preparation.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 21, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Peter Gerdes, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel
  • Intermediates for pyridyl-thiazoles and their use to protect plants against infections by micro-organisms
    Patent number: 6136754
    Abstract: New pyridyl-thiazoles of the formula ##STR1## and new intermediates of the formulae ##STR2## in which all variables have the meaning given in the description.All compounds and their salts and acid adducts are suitable for the protection of plants against attack by undesirable microorganisms.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: October 24, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Klaus Stenzel, Gerd Hanssler, Stefan Dutzmann, Heinz-Wilhelm Dehne
  • Mercapto-imidazolyl derivatives
    Patent number: 6114539
    Abstract: The present invention provides mercapto-imidazolyl compounds, 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: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel
  • Triazolyl disulphides
    Patent number: 6114368
    Abstract: The present invention provides the composition for novel triazolyl 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: November 5, 1998
    Date of Patent: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • Compositions for the control of plant pests
    Patent number: 6114362
    Abstract: Compositions which contain compounds of the general formula (I) ##STR1## in which X represents .dbd.CH-- or .dbd.N--,E represents an electron-withdrawing radical,R represents optionally substituted hetarylalkyl,A represents hydrogen, alkyl, or a bifunctional group which is linked to the radical Z,Z represents alkyl, --NH--alkyl, --N(alkyl).sub.2 or a bifunctional group which is linked to the radical A,in mixtures with fungicidal active compounds, excluding cyclopropylcarboxamide derivatives and azolylmethylcycloalkanes. These compositions are useful to control fungi and insects.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: September 5, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Christoph Erdelen, Wolfram Andersch, Heinz-Wilhelm Dehne, Jurgen Hartwig, Klaus Stenzel, Wolfgang Kramer
  • Dihydrofuran carboxamides
    Patent number: 6107336
    Abstract: The invention concerns novel dihydrofuran carboxamides of formula (I), ##STR1## in which R stands for groups of formulae (a), (b) or (c), ##STR2## in which R.sup.1, R.sup.2, R.sup.3, X, m, n and p have the meanings given in the description. The invention also concerns a process for preparing the novel substances, and their use for combating undesirable micro-organisms for plant- and material-protection purposes.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: August 22, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Franz Kunisch, Dietmar Bielefeldt, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Martin Kugler, Heinrich Schrage
  • Substituted benzimidazoles for pest control
    Patent number: 6103745
    Abstract: Novel substituted benzimidazoles of the formula ##STR1## in which Q, R, X and Z have the meanings given in the description,a process for the preparation of the novel substances and their use for combating pests.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Heinz-Wilhelm Dehne, Stefan Dutzmann, Christoph Erdelen, Klaus Stenzel
  • Use of pyrrolopyrimidines for controlling pests
    Patent number: 6103726
    Abstract: Pyrrolopyrimidines of formula (I) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A have the meanings given in the description, and their acid-addition salts and metal salt complexes are very highly suitable for combatting vegetable and animal pests.Novel pyrrolopyrimidines of formula (Ia) in which R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10 and Z have the meanings given in the description, and their acid-addition salts and metal salt complexes, and a process for their production.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Kuhnt, Klaus-Gunther Tietjen, Hermann Uhr, Robert Markert, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • Halogen pyrimidines and its use thereof as parasite abatement means
    Patent number: 6103717
    Abstract: Compounds of the formula (I) ##STR1## in which A represents optionally substituted alkanediyl,R represents in each case optionally substituted cycloalkyl, aryl or benzo-fused heterocyclyl,E represents --CH.dbd. or nitrogen,Q represents oxygen, sulphur, --CH.sub.2 --O--, a single bond, or a nitrogen atom which is optionally substituted by alkyl, andX represents halogen.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Bernd-Wieland Kruger, Bernd Gallenkamp, Uwe Stelzer, Albrecht Marhold, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Sulphonyl-mercapto-triazolyl derivatives and their use as microbicides
    Patent number: 6080775
    Abstract: The present invention relates to novel sulphonyl-mercapto-triazolyl derivatives, their acid addition salts and metal salt complexes; a process for the preparation of the novel compounds; and a method for their use as microbicides.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: June 27, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • Fungicidal active compound combinations
    Patent number: 6071940
    Abstract: There are described new active compound combinations of a compound of the formula (I) ##STR1## with known fungicidal active compounds, and their use for the control of phytopathogenic fungi.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: June 6, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Kruger
  • Triazolyl-mercaptides and their use as microbicides
    Patent number: 6057353
    Abstract: Triazoyl mercaptides of the formula (I) ##STR1## in which M is an alkaline metal cation, an equivalent of an alkaline earth cation, an equivalent of a copper zinc, iron or nickel cation or an ammonium cation andR.sup.1 is various radicals, a process for the production of the novel substances and their use to combat undesired micro-organisms.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: May 2, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • 1,3-dimethyl-5-fluoro-pyrazole-4-carboxamide derivatives, their preparation and their use as microbicides
    Patent number: 6054473
    Abstract: The invention concerns 1,3-dimethyl-5-fluoro-pyrazole-4-carboxamides of formula (I) in which R stands for a group of formula(II) or (III), in which: R.sup.1 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; m stands for integers from 0 to 3 or two vicinal R.sup.1 groups together stand for an alkylene chain with 3 or 4 carbon atoms; R.sup.2 stands for alkyl, cycloalkyl, bicycloalkyl, optionally substituted aryl or optionally substituted aralkyl; and n stands for integers from 0 to 3 or two vicinal R.sup.2 groups together stand for an alkylene chain with 3 or 4 carbon atoms. The invention further concerns a process for preparing the novel substances, and their use for combating undesirable micro-organisms for plant- and material-protection purposes.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: April 25, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Dietmar Bielefeldt, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel, Martin Kugler, Peter Wachtler
  • Alkoxyacrylic acid thiol esters used as fungicides
    Patent number: 6054621
    Abstract: The invention relates to novel alkoxyacrylic thiol esters, to a plurality of processes for their preparation and to their use as fungicides, and to novel intermediates and to a plurality of processes for their preparation.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: April 25, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Kruger, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Gerd Hanssler
  • Acyl-mercapto-triazolyl derivatives and the use thereof as microbicides
    Patent number: 6051592
    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: October 27, 1998
    Date of Patent: April 18, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel
  • Fluoromethoxyacrylic acid derivatives and their use as pest control agents
    Patent number: 6031107
    Abstract: The invention relates to new fluoromethoxyacrylic acid derivatives, a process for their preparation and their use as pesticides, as well as to new intermediates and a plurality of processes for their preparation.It has already been disclosed that certain fluoromethoxyacrylic acid derivatives which are similar in constitution to the compounds described below have fungicidal properties (compare, for example, WO 9517376). The fungicidal action of these compounds, however, is unsatisfactory in many cases.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: February 29, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Albrecht Marhold, Uwe Stelzer, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann
  • Microbicidal agents based on thiophene-2-carboxylic acid derivatives
    Patent number: 6013664
    Abstract: Novel microbicidal compositions based on thiophene-2-carboxylic acid derivatives, some of which are known, of the formula in whichR.sup.1, R.sup.2 and n have the meanings given in the description, and the use of these substances for controlling undesired microorganisms.Novel thiophene-2-carboxylic acid derivatives of the formula ##STR1## in which R.sup.1, R.sup.2 and p have the meanings given in the description, and a process for the preparation of the substances of the formula (I-a).
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: January 11, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Norbert Lui, Stefan Dutzmann, Gerd Hanssler
  • Hydroxamic-acid derivatives, method of preparing them and their use as fungicides
    Patent number: 6008257
    Abstract: Hydroxamic derivatives of the formula (I): ##STR1## in which A represents hydrogen or a grouping which can be readily eliminated;A.sup.1 represents hydrogen or alkyl;Ar represents optionally substituted arylene or heteroarylene;E represents a 1-alkene-1,1-diyl grouping which contains a radical R.sup.1 in the 2-position, or represents a 2-aza-1-alkene-1,1-diyl grouping which contains a radical R.sup.2 in the 2-position, or represents an optionally substituted imino grouping ("azamethylone", N--R.sup.3);G represents a bridge member as defined herein; andZ represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, aryl or heterocyclyl;are useful as fungicides. Also disclosed is a process for preparing the compounds of formula (I).
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: December 28, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Thomas Seitz, Bernd Gallenkamp, Ralf Tiemann, Gerd Hanssler, Heinz-Wilhelm Dehne, Stefan Dutzmann
  • Acylaminosalicylic acid amides and their uses as pesticides
    Patent number: 6001879
    Abstract: The invention relates to known and to new acylaminosalicylamides, to a plurality of processes for their preparation and to their use as pesticides. The present application furthermore relates to new intermediates, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: December 14, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Seitz, Klaus Naumann, Ralf Tiemann, Klaus Stenzel, Gerd Hanssler, Stefan Dutzmann