Patents by Inventor Gerhard Tarara

Gerhard Tarara 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 pyrimidinyl or triazinyl haloacetic acid derivatives
    Patent number: 5502028
    Abstract: Herbicidal haloacetic acid derivatives of the formula: ##STR1## and salts thereof, where: A is --N.dbd. or --CH.dbd.;X is halo;R.sup.1 and R.sup.2, which may be the same or different, each represent alkyl, alkoxy, haloalkyl, haloalkoxy, halo, alkylamino or dialkylamino;R.sup.3 is --CN, --COOR.sup.5, --CONR.sup.6 R.sup.7, --CSNH.sub.2, --CHO, --CH.dbd.Z, --CH(OAlkyl).sub.2, --CH.sub.2 OH, --CH.sub.2 OR.sup.9, or a substituted or unsubstituted 5- or 6-membered heterocyclic group linked via a ring carbon atom which is between two ring heteroatoms;R.sup.4 is H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or aralkyl group;with R.sup.5, R.sup.6, R.sup.7, R.sup.9,and Z as defined in the specification.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: March 26, 1996
    Assignee: Schering Agrochemicals Limited
    Inventors: Christoph Harde, Gerhard Johann, Gabriele Kru/ ger, Richard Rees, Gerhard Tarara, Peter S. Gates
  • 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
  • 1-methoxypyrimidinyl-N-nitrophenyl-1H-1,2,4-triazole-3-sulphonamides and their use as herbicides
    Patent number: 5094682
    Abstract: The invention relates to new 1-(methoxypyrimidinyl)-N-nitrophenyl-1H-1,2,4-triazole-3-sulphonamides of general formula I ##STR1## in which R.sup.1 and R.sup.2 have the meanings given in the description, processes for their preparation and their use as herbicides.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: March 10, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Tarara, Gabriele Kruger, Peter Wegner, Richard Rees, Gerhard Johann
  • 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