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).

  • Patent number: 5639774
    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: May 21, 1996
    Date of Patent: June 17, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kramer
  • Patent number: 5583151
    Abstract: New substituted pyridine-4-carboxamides of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, X.sup.1 and X.sup.2 have the meanings given in the description,a plurality of processes for the preparation of these substances, and their use for generating resistance in plants against attack by undesired microorganisms.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: December 10, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd H anssler, Uta Schulz
  • Patent number: 5580868
    Abstract: Novel pyridyloxy-acrylic acid esters of the formula ##STR1## in which Ar represents optionally substituted aryl or represents optionally substituted heteroaryl,a process for preparing the novel compounds and their use as agents for combating pests.Novel intermediates, processes for their preparation and their use for the synthesis of pyridyloxy-acrylic acid esters.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: December 3, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Lunkenheimer, Lutz Assmann, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd H anssler
  • Patent number: 5571930
    Abstract: Fungicidally active compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents cycloalkyl, or represents optionally substituted aryl, or represents the radical ##STR2## R.sup.1 and R.sup.2 each independently is hydrogen or an organic radical, or together with the nitrogen atom form a heterocyclic radical,R.sup.3 represents hydrogen, alkyl or optionally substituted aryl, andR.sup.4 represents alkyl or cycloalkyl, or represents optionally substituted aryl,but whereinR.sup.3 and R.sup.4 may not simultaneously represent methyl,and acid addition salts thereof, as well as intermediates therefor.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: November 5, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kr amer, Joachim Weissm uller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5569656
    Abstract: A novel fungicidal composition comprising a fungicidally effective amount of a combination consisting of(A) the known aminomethyl heterocycle of: the ##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: May 2, 1995
    Date of Patent: October 29, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kr amer
  • Patent number: 5534550
    Abstract: New 2-oximino-2-phenyl-acetamides of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 m and n have the meanings given in the description,a process for the preparation of the new substances, and their use as pesticides.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: July 9, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Gerdes, Herbert Gayer, Stefan Dutzmann, Heinz-Wilhelm Dehne
  • Patent number: 5532262
    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: June 5, 1995
    Date of Patent: July 2, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Kruger
  • Patent number: 5530149
    Abstract: New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi.New oxiranes of the formula ##STR3## in which R has the abovementioned meaning, are valuable intermediates for the preparation of compounds of the formula (I).
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 25, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Scherkenbeck, Thomas Himmler, Stefan Bohm, Hermann Hagemann, Klaus Stroech, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler
  • Patent number: 5516749
    Abstract: Herbicidal and fungicidal substituted triazolinones of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, alkoxyalkyl, cycloalkyl or cycloalkylalkyl, of represents tetrahydrofuranyl or tetrahydrofuranylalkyl, or represents in each case optionally substituted aralkyl or aryl,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, aryloxyalkyl, alkoxycarbonylalkyl, alkoxycarbonylalkenyl, alkylaminoalkyl or dialkylaminoalkyl, or represents in each case optionally substituted cyclocalkyl, cycloalkylalkyl, cycloalkenyl or cycloalkenylalkyl, or represents optionally substituted heterocyclyalkyl, or represents in each case optionally substituted aralkyl, aroyl, aryl, aralkyloxy or aryloxy, or represents alkoxy, alkenyloxy or alkinyloxy,R.sup.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: May 14, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Klaus Konig, Kurt Findeisen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Stefan Dutzmann
  • Patent number: 5502233
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: March 26, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Heinz-Wilhelm Dehne, Stefan Dutzmann, Christoph Erdelen
  • Patent number: 5493034
    Abstract: Fungicidally active compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents cycloalkyl, or represents optionally substituted aryl, or represents the radical ##STR2## R.sup.1 and R.sup.2 each independently is hydrogen or an organic radical, or together with the nitrogen atom form a heterocyclic radical,R.sup.3 represents hydrogen, alkyl or optionally substituted aryl, andR.sup.4 represents alkyl or cycloalkyl, or represents optionally substituted aryl,but wherein R.sup.3 and R.sup.4 may not simultaneously represent methyl,and acid addition salts thereof, as well as intermediates therefor.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: February 20, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5482955
    Abstract: New cyclopropyl-ethyl-azoles of the formula ##STR1## in which R represents alkyl, alkenyl, alkinyl, cycloalkyl which is optionally substituted by alkyl, or optionally substituted aryl, optionally substituted aralkyl or optionally substituted aralkenyl, andZ represents a nitrogen atom or a CH group,and addition products thereof with acids or metal salts are very effective for combating fungi.Novel oxiranes of the formula ##STR2## in which R and Z have the abovementioned meanings,are valuable intermediates.
    Type: Grant
    Filed: April 4, 1995
    Date of Patent: January 9, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Klaus Stenzel, Heinz-Wilhelm Dehne
  • Patent number: 5464809
    Abstract: Fungicidal new 2-methoximinocarboxylic esters of the general formula (I) ##STR1## in which Ar represents one of the radicals ##STR2## and A represents one of the radicals --CH.sub.2 --; ##STR3## where Y represents one of the radicals ##STR4## --O--CH.sub.2 --; --CH.sub.2 --O--; --S--CH.sub.2 --; ##STR5## --SO.sub.2 --CH.sub.2 --; --O--; --CH.dbd.CH-- or --CH.sub.2 --CH.sub.2 --,n represents the number 0 or 1,R represents alkyl, halogenoalkyl, alkenyl, halogenoalkenyl, or represents optionally substituted cycloalkyl, or represents optionally substituted aryl or represents optionally substituted heteroaryl, and, moreover, in the event that n is 0, also represents halogen, andX.sup.1, X.sup.2, X.sup.3 and X.sup.4 independently of one another in each case represent hydrogen, halogen, hydroxyl or methoxy, but where, in the event that X.sup.2 represents bromine, X.sup.3 does not simultaneously represent hydroxyl or methoxy.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: November 7, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Dieter Berg, Heinz-Wilhelm Dehne, Stefan Dutzmann
  • Patent number: 5462955
    Abstract: New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi.New oxiranes of the formula ##STR3## in which R has the abovementioned meaning, are valuable intermediates for the preparation of compounds of the formula (I).
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: October 31, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Scherkenbeck, Thomas Himmler, Stefan Bohm, Hermann Hagemann, Klaus Stroech, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler
  • Patent number: 5462943
    Abstract: Substituted acetic acid esters of the formula ##STR1## in which R.sup.1 Represents alkyl, or represents optionally substituted aralkyl,R.sup.2 Represents dialkylamino, alkoxy or alkylthio, or represents in each case optionally substituted aralkyloxy or arylalkylthio,R.sup.3 and R.sup.4 in each case independently of one another represent hydrogen, cyano, halogen or alkyl,R.sup.5, R.sup.6 and R.sup.8 represent hydrogen or other radicals, andR.sup.7 represents optionally substituted pyrimidinyl. The compounds are pesticidially active and also used as intermediates for other acetic acid compounds.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: October 31, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Seitz, Alexander Klausener, Dieter Berg, Ulrike Wachendorff-Neumann, Christoph Erdelen, Gerd Hanssler, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5447927
    Abstract: Fungicidally active compounds of the formula ##STR1## in which X represents oxygen or sulphur,R represents cycloalkyl, or represents optionally substituted aryl, or represents the radical ##STR2## R.sup.1 and R.sup.2 each independently is hydrogen or an organic radical, or together with the nitrogen atom form a heterocyclic radical,R.sup.3 represents hydrogen, alkyl or optionally substituted aryl, andR.sup.4 represents alkyl or cycloalkyl, or represents optionally substituted aryl,but wherein R.sup.3 and R.sup.4 may not simultaneously represent methyl,and acid addition salts thereof, as well as intermediates therefor.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: September 5, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Joachim Weissmuller, Dieter Berg, Wilhelm Brandes, Stefan Dutzmann
  • Patent number: 5439926
    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: May 26, 1994
    Date of Patent: August 8, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kramer
  • Patent number: 5427795
    Abstract: New solid formulations ofA) at least one agrochemical active compound,B) at least one additive from the groups mentioned in the description,C) at least one dispersant,D) at least one carrier andE) if appropriate, further active compounds and/or additives,a process for preparing the solid formulations and their use for treating plants.A new device for preparing new granules.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: June 27, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Feyen, Uwe Priesnitz, Raphael Weischollek, Wolfgang Thielert, Stefan Dutzmann, Dieter Feucht, Ulrike Wachendorff-Neumann
  • Patent number: 5428073
    Abstract: There are described new 2-cyclohexan-1-yl-amine derivatives of formula (I) ##STR1## in which A, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meaning given in the description, and processes for their preparation.The compounds of the formula (I) are used as anti-microbial agents.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: June 27, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz Kunisch, Peter Babczinski, Dieter Arlt, Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Manfred Plempel
  • Patent number: RE34983
    Abstract: A new fungicidal composition comprising as active ingredientsA) 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR1## and/or 1-(4-phenyl-phenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-butan-2-ol of the formula ##STR2## and B) 4-(2,2-difluoro-1,3-benzodioxol-7-yl)-1H-pyrrole-3-carbonitrile of the formula ##STR3##
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: June 27, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Hans Scheinpflug, Hans-Ludwig Elbe