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).

  • Oximether and acrylic acid derivatives and their use as fungicides
    Patent number: 5977123
    Abstract: The invention relates to novel oximether and acrylic acid derivatives of the formula (I) ##STR1## in which Z, G, Ar, E, R.sup.1 and R.sup.2 have the meanings as given in the specification, to processes for their preparation and to their use as fungicides.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: November 2, 1999
    Assignee: Bayer Aktiengesellscgaft
    Inventors: Peter Gerdes, Herbert Gayer, Ulrich Heinemann, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann
  • Fungicidal compositions
    Patent number: 5965593
    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: December 11, 1997
    Date of Patent: October 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kramer
  • Fungicidal active compound combinations
    Patent number: 5962518
    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 combating phytopathogenic fungi.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: October 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stenzel, Wilhelm Brandes, Stefan Dutzmann, Bernd-Wieland Kruger, Karl-Heinz Kuck, Rolf Pontzen, Thomas Seitz, Atsumi Kamochi, Ikuya Saitoh
  • Pyridyl-thiazoles and their use to protect plants against infections by micro-organisms
    Patent number: 5945380
    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: November 19, 1997
    Date of Patent: August 31, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Klaus Stenzel, Gerd Hanssler, Stefan Dutzmann, Heinz-Wilhelm Dehne
  • Substituted benzimidazoles for pest control
    Patent number: 5932605
    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: November 18, 1997
    Date of Patent: August 3, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Heinz-Wilhelm Dehne, Stefan Dutzmann, Christoph Erdelen, Klaus Stenzel
  • Fungicidal active compound combinations
    Patent number: 5922762
    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: May 1, 1997
    Date of Patent: July 13, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Kruger
  • Substituted azadioxacycloalkenes, fungicidal composition containing them, process for preparing them, and method of using them to combat fungi
    Patent number: 5883250
    Abstract: New azadioxacycloalkenes of the formula (I): ##STR1## wherein Z, G, Ar, E and A are as defined herein, fungicidal compositions containing them, processes for preparing them, and methods of using them to combat fungi.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: March 16, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Ulrich Philipp, Thomas Seitz, Jorg Stetter, Ralf Tiemann, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd Hanssler
  • Microbicidal triazolyl derivatives
    Patent number: 5859039
    Abstract: Triazolyl derivatives of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aroxyalkyl, optionally substituted aryl or optionally substituted heteroaryl andX represents the groups --SH, --SR.sup.3, --SO--R.sup.3, --SO.sub.2 --R.sup.3 or --SO.sub.3 H, in whichR.sup.3 represents alkyl which is optionally substituted by fluorine and/or chlorine, alkenyl which is optionally substituted by fluorine and/or chlorine, optionally substituted aralkyl or optionally substituted aryl,and their acid addition salts and metal salt complexes,a plurality of processes for the preparation of the new substances, and their use as microbicides in plant protection and materials protection.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: January 12, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Triazolyl derivatives
    Patent number: 5789430
    Abstract: Triazolyl derivatives ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted aralkyl, optionally substituted aralkenyl, optionally substituted aroxyalkyl, optionally substituted aryl or optionally substituted heteroaryl andX represents the groups --SH, --SR.sup.3, --SO--R.sup.3, --SO.sub.2 --R.sup.3 or --SO.sub.3 H, in whichR.sup.3 represents alkyl which is optionally substituted by fluorine and/or chlorine, alkenyl which is optionally substituted by fluorine and/or chlorine, optionally substituted aralkyl or optionally substituted aryl,and their acid addition salts and metal salt complexes,a plurality of processes for the preparation of the new substances, and their use as microbicides in plant protection and materials protection.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: August 4, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Ralf Tiemann, Stefan Dutzmann, Gerd Hanssler, Klaus Stenzel
  • Hydroxyethyl-azolyl derivatives
    Patent number: 5786375
    Abstract: Hydroxyethyl-azolyl derivative of the formula (I): ##STR1## in which x represents hydrogen, halogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms,z represents halogen, alkyl having 1 to 4 carbon atoms, halogenoalkyl having 1 to 4 carbon atoms and 1 to 5 halogen atoms, alkoxy having 1 to 4 carbon atoms, halogenoalkoxy having 1 to 4 carbon atoms and 1 to 5 halogen atoms, nitro, or phenyl which is optionally monosubstituted to trisubstituted by identical or different halogen atoms, andm represents the numbers 0, 1, 2 or 3, and their acid addition salts and metal salt complexes thereof, are useful to combat microbes in plant protection and in the preservation of materials. Also, disclosed are processes for the preparation of the compounds of formula (I), and intermediates useful in such processes.
    Type: Grant
    Filed: March 14, 1996
    Date of Patent: July 28, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Lindemann, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler
  • 3-methoxy-phenyl-acrylic acid methyl esters
    Patent number: 5773445
    Abstract: The application describes new 3-methoxy-2-phenyl-acrylic esters of the formula (I) ##STR1## in which R and Y have the meanings given in the description,a process for their preparation, and their use as pesticides.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: June 30, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Peter Gerdes, Otto Schallner, Stefan Dutzmann, Heinz-Wilhelm Dehne, Gerd Hanssler
  • Fungicidal active compound combinations
    Patent number: 5763466
    Abstract: A novel fungicidal composition comprising a fungicidally effective amount of a combination consisting of(i) N-?1-(4-chloro-phenyl)-ethyl!-2,2-dichloro-1-ethyl-3-methyl-cyclopropaneca rboxamide of the formula ##STR1## and (ii) (A) a triazole derivative of the formula ##STR2## in which X represents chlorine or phenyl,and/or(B) a pyrrole derivative of the formula ##STR3## in which R represents ##STR4## and/or (C) the imidazole derivative of the formula ##STR5## The novel composition shows a synergistic activity.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: June 9, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerd Hanssler, Stefan Dutzmann, Matthias Wunsch
  • Halogen alkenyl azolyl microbicides
    Patent number: 5760067
    Abstract: Novel halogenoalkenyl-azolyl derivatives of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted aryl or represents optionally substituted heteroaryl,R.sup.2 represents alkyl, halogenoalkyl, 1-hydroxyalkyl, 2-hydroxyalkyl, 1-hydroxyhalogenalkyl, 1-alkenyl or 2-alkenyl,X.sup.1 represents fluorine, chlorine, bromine or iodine,X.sup.2 represents fluorine, chlorine, bromine or iodine, andY represents nitrogen or a CH group,and addition products thereof with acids or metal salts are very active as microbicides in plant protection and in the protection of materials.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: June 2, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Stefan Dutzmann, Heinz-Wilhelm Dehne
  • Fungicidal compositions
    Patent number: 5736551
    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: January 22, 1997
    Date of Patent: April 7, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Stefan Dutzmann, Heinz-Wilhelm Dehne, Karl-Heinz Kuck, Wilhelm Brandes, Wolfgang Kramer
  • Substituted benzimidazoles
    Patent number: 5731300
    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: October 30, 1996
    Date of Patent: March 24, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Heinz-Wilhelm Dehne, Stefan Dutzmann, Christoph Erdelen, Klaus Stenzel
  • N-alkoxy-amidine derivatives
    Patent number: 5728737
    Abstract: The present invention relates to novel N-alkoxy-arnidine derivatives of the formula (I), to a process for their preparation and to their use as pesticides. In addition, the invention also relates to novel intermediates and to a process for their preparation.
    Type: Grant
    Filed: January 23, 1997
    Date of Patent: March 17, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Bernd-Wieland Kruger, Ralf Tiemann, Stefan Dutzmann, Klaus Stenzel
  • Fungicidal active compound combinations
    Patent number: 5696150
    Abstract: A novel fungicidal composition comprising a fungicidally effective amount of a combination consisting of(i) N-?1-(4-chloro-phenyl)-ethyl!-2,2-dichloro-1-ethyl-3-methyl-cyclopropaneca rboxamide of the formula ##STR1## and (ii) (A) a triazole derivative of the formula ##STR2## in which X represents chlorine or phenyl, and/or (B) a pyrrole derivative of the formula ##STR3## in which R represents ##STR4## and/or (C) the imidazole derivative of the formula ##STR5## The novel composition shows a synergistic activity.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: December 9, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerd Hanssler, Stefan Dutzmann, Matthias Wunsch
  • Substituted azadioxacycloalkenes and their use as fungicides
    Patent number: 5679676
    Abstract: The application relates to new azadioxacycloalkenes of the formula (I) ##STR1## in which Z, G, Ar, E and A have the meaning given in the description, to a process for their preparation, and to their use as fungicides.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: October 21, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Ulrich Philipp, Thomas Seitz, Jorg Stetter, Ralf Tiemann, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd Hanssler
  • Fungicidal active compound combinations
    Patent number: 5672619
    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: April 8, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Kruger
  • Herbicidal and fungicidal substituted triazolinones
    Patent number: 5672713
    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, or 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 cycloalkyl, cycloalkylalkyl, cycloalkenyl or cycloalkenylalkyl, or represents optionally substituted heterocyclylalkyl, or represents in each case optionally substituted aralkyl, aroyl, aryl, aralkyloxy or aryloxy, or represents alkoxy, alkenyloxy of alkinyloxy,R.sup.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Klaus Konig, Kurt Findeisen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Stefan Dutzmann