Patents by Inventor Clemens Kotter

Clemens Kotter 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).

  • Herbicidal dimethoxy pyrimidinyloxy-fluorinated acids and salts
    Patent number: 5270289
    Abstract: The invention relates to new substituted .alpha.-pyrimidinyloxy(thio)- and .alpha.-triazinyloxy(thio)carboxylic acid derivatives of general formula I ##STR1## in which A, R.sup.1-3, X and Y have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: December 14, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Christoph Harde, Erhard Nordhoff, Anita Kruger, Gabriele Kruger, Gerhard Tarara, Peter Wegner, Nikolaus Heinrich, Clemens Kotter, Gerhard Johann, Richard Rees
  • Substituted 2-pyrimidinyl-acetic acid derivatives, and their use as herbicides, fungicides and plant growth regulators
    Patent number: 5238907
    Abstract: The invention relates to new 2-pyrimidinyl- and 2-triazinylacetic acid derivatives of general formula I ##STR1## in which A, R.sup.2-5 and X have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.
    Type: Grant
    Filed: January 9, 1992
    Date of Patent: August 24, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Gabriele Kruger, Christoph Harde, Nikolaus Heinrich, Anita Kruger, Erhard Nordhoff, Gerhard Tarara, Peter Wegner, Clemens Kotter, Gerhard Johann, Richard Rees, Graham P. Jones
  • 2-triazinylacetics acid derivatives, and their use as herbicides, fungicides and plant growth regulators
    Patent number: 5098465
    Abstract: The invention relates to new 2-pyrimidinyl- and 2-triazinylacetic acid derivatives of general formula I ##STR1## in which A, R.sup.2-5 and X have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: March 24, 1992
    Assignee: Shering Aktiengesellschaft
    Inventors: Gabriele Kruger, Christoph Harde, Nikolaus Heinrich, Anita Kruger, Erhard Nordhoff, Gerhard Tarara, Peter Wegner, Clemens Kotter, Gerhard Johann, Richard Rees, Graham P. Jones
  • Substituted pyrimidinyloxy(thio)- and triazinyloxy (thio)acrylic acid derivatives, processes for their preparation and their use as herbicides, fungicides and plant growth regulators
    Patent number: 5089044
    Abstract: The invention relates to new substituted pyrimidinyloxy(thio)- and triazinyloxy(thio)acrylic acid derivative of general formula I ##STR1## in which A, G, R.sup.1-3, X and Y have the meanings given in the description, processes for their preparation and their use as herbicides, fungicides and plant growth regulants.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Christoph Harde, Erhard Nordhoff, Anita Kruger, Gabriele Kruger, Gerhard Tarara, Peter Wegner, Nikolaus Heinrich, Clemens Kotter, Gerhard Johann, Richard Rees
  • (6,7-)dihydro-(1,2,4) triazolo (1,5-A) (1,3,5) Triazine-2-sulphonamides, and their use as herbicides and plant growth regulators
    Patent number: 4859231
    Abstract: The invention relates to new 6,7-dihydro-[1,2,4] triazolo-[1,5-a][1,3,5]triazine-2-sulphonamides of general formula I ##STR1## in which Ar, R.sub.6, R.sub.7, R.sub.8 and X have the meanings given in the description, processes from their preparation and their use as herbicides and plant growth regulants.
    Type: Grant
    Filed: December 18, 1987
    Date of Patent: August 22, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Jurgen Westermann, Martin Kruger, Friedrich Arndt, Richard Rees, Clemens Kotter
  • Substituted sulfonylurea, processes for the production of these compounds, as well as compositions containing the same and having herbicidal and plant growth regulating activity
    Patent number: 4601746
    Abstract: New substituted sulfonyl urea are disclosed of the general formula ##STR1## in which R.sub.1 is chlorine, --COOR.sub.5, --S(O).sub.n --R.sub.6 or ##STR2## R.sub.2 is ##STR3## or --CH.sub.2 --C.tbd.C--R.sub.11, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylthio, halogen, halogen-C.sub.1 -C.sub.4 -alkyl, halogen-C.sub.1 -C.sub.4 -alkoxy, Di-C.sub.1 -C.sub.3 -alkyl-amino, C.sub.1 -C.sub.3 -alkyl-amino or C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,R.sub.4 is hydrogen C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, halogen, halogen-C.sub.1 -C.sub.4 -alkyl, halogen-C.sub.1 -C.sub.4 -alkoxy, Di-C.sub.1 -C.sub.3 -alkyl-amino, C.sub.1 -C.sub.3 -alkyl-amino, or C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkoxy,Z is --CH.dbd. or --N.dbd.,R.sub.5 is C.sub.1 -C.sub.8 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.3 -alkoxy-C.sub.1 -C.sub.3 -alkyl, phenyl, substituted phenyl, benzene or substituted benzene,R.sub.6 is C.sub.1 -C.sub.6 -alkyl or phenyl,R.
    Type: Grant
    Filed: June 18, 1984
    Date of Patent: July 22, 1986
    Assignee: Schering Aktiengesellschaft
    Inventors: Jurgen Westermann, Gerhard Boroschewski, Ulrich Eder, Friedrich Arndt, Hansjorg Krahmer, Clemens Kotter
  • Pesticides
    Patent number: 4156017
    Abstract: The specification discloses the use of compounds having the formula: ##STR1## wherein R is a possibly substituted aromatic hydrocarbon radical as insecticides and ovicides.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: May 22, 1979
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans-Rudolf Kruger, Clemens Kotter, Hartmut Joppien