Patents by Inventor Bernd Gallenkamp

Bernd Gallenkamp 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 alkoximinomethyldioxazine derivatives
    Patent number: 6281209
    Abstract: The invention relates to alkoximinomethyldioxazine compounds and intermediates thereof, and to process for the preparation of the alkoximinomethyldioxazine compounds and intermediates thereof.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: August 28, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Gerdes, Herbert Gayer, Bernd-Wieland Krüger, Ulrich Heinemann, Bernd Gallenkamp, Ralf Tiemann, Stefan Dutzmann, Karl-Heinz Kuck, Klaus Stenzel
  • 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
  • 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
  • Method for producing ar(alk)yluraciles, novel corresponding intermediate products and method for producing said intermediate products
    Patent number: 6225470
    Abstract: The invention relates to a process for preparing ar(alk)yluracils of the general formula (I) in which A represents a single bond or represents alkanediyl, Ar represents optionally substituted aryl, R1 represents optionally substituted alkyl and R2 represents hydrogen, halogen or alkyl, and to novel intermediates for this purpose and to processes for their preparation.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: May 1, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Reinhard Lantzsch, Lothar Rohe, Lubbertus Mulder
  • Method for preparing optionally substituted benzofuranones
    Patent number: 6194590
    Abstract: The invention relates to an improved method for preparing optionally substituted benzofuran-3-ones which can be used as initial products for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines. These later are known starting materials for preparing compounds with fungicidal properties.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: February 27, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Peter Gerdes, Herbert Gayer, Lothar Rohe, Lubbertus Mulder
  • 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
  • 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
  • Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines
    Patent number: 6150521
    Abstract: The present invention relates to a plurality of novel processes and novel intermediates for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728).
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: November 21, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Bernd Gallenkamp, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Kruger, Reinhard Lantzsch, Thomas Seitz, Uwe Stelzer
  • 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
  • Substituted pyridyl keto enols
    Patent number: 6133296
    Abstract: The invention relates to new pyridyl-substituted cyclic ketoenols of the formula (I) ##STR1## in which V.sup.1, V.sup.2 or V.sup.3 represents nitrogen,Het represents one of the groups ##STR2## A, B, G, W, Z and z have the meanings given in the description, to a plurality of processes and intermediates for their preparation, and to their use as pesticides and herbicides.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 17, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Folker Lieb, Hermann Hagemann, Arno Widdig, Michael Ruther, Reiner Fischer, Thomas Bretschneider, Christoph Erdelen, Ulrike Wachendorff-Neumann, Alan Graff, Peter Dahmen, Markus Dollinger, Bernd Gallenkamp
  • 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
  • Thiophene derivatives
    Patent number: 6100220
    Abstract: The invention relates to novel thiophene derivatives of the formula (I) ##STR1## in which X represents halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, nitro or cyano, or two substituents X, together with the carbon atoms to which they are attached, form a saturated or unsaturated, optionally substituted ring,n represents a number from 1 to 3, andZ represents one of the groups ##STR2## in which A, B, D, G, Q.sup.1, Q.sup.2 and Q.sup.3 have the meaning given in the description, to processes for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: August 8, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Jacques Dumas, Thomas Bretschneider, Bernd Gallenkamp, Folker Lieb, Konrad Wernthaler, Christoph Erdelen, Ulrike Wachendorff-Neumann, Norbert Mencke, Andreas Turberg
  • Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines
    Patent number: 6093837
    Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: July 25, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Lothar Rohe, Herbert Gayer, Peter Gerdes
  • 4-cyano-2,5-difluoroaniline preparation process
    Patent number: 6075160
    Abstract: The present invention relates to a process for preparing 4-cyano-2,5-difluoroaniline, which is an intermediate in the preparation of herbicides or liquid crystals.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: June 13, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Dietmar Bielefeldt, Bernd Gallenkamp
  • Substituted thiophene derivatives as pesticides and herbicides
    Patent number: 6025383
    Abstract: The invention relates to novel thiophene derivatives of the formula (I) ##STR1## in which X represents halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, nitro or cyano, or two substituents X, together with the carbon atoms to which they are attached, form a saturated or unsaturated, optionally substituted ring,n represents a number from 1 to 3, andZ represents one of the groups ##STR2## in which A, B, D, G, Q.sup.1, Q.sup.2 and Q.sup.3 have the meaning given in the description, to processes for their preparation and to their use as pesticides and herbicides.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: February 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Jacques Dumas, Thomas Bretschneider, Bernd Gallenkamp, Folker Lieb, Konrad Wernthaler, Christoph Erdelen, Ulrike Wachendorff-Neumann, Norbert Mencke, Andreas Turberg
  • 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
  • Process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines
    Patent number: 6005104
    Abstract: The present invention relates to a novel process for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728). Furthermore, the invention relates to novel 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, to novel intermediates for their preparation and to a plurality of processes for preparing the novel intermediates.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: December 21, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Lothar Rohe, Herbert Gayer, Peter Gerdes
  • Process for preparing 3,5-dimethylisoxazole-4-sulphonyl chloride
    Patent number: 5959119
    Abstract: By a novel process, 3,5-dimethylisoxazole-4-sulphonyl chloride is prepared by reacting 3,5-dimethylisoxazole initially with chlorosulphonic acid and then additionally with thionyl chloride at a temperature between 60.degree. C. and 110.degree. C.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: September 28, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Gallenkamp, Lothar Rohe
  • 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
  • Process for preparing substituted aryluracils
    Patent number: 5856559
    Abstract: The invention relates to a novel process for preparing substituted aryluracils by reacting aminoalkenoic esters with arylurethanes and then with sulfonamides, and additionally to novel 4-(alkoxycarbonylamino)-2,5-difluorobenzonitriles.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: January 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Andree, Mark Wilhelm Drewes, Bernd Gallenkamp